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CWE-20

12,745 CVEs • Abstraction: Class • Likelihood of Exploit: High

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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CVEs (12,745)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Rackspace
1Rackspace
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The Rackspace app 2.1.5 for iOS does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers...Show more
The Rackspace app 2.1.5 for iOS does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Github
Roderick Baier
2Gaug.es
Weberknecht
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Weberknecht, as used in GitHub Gaug.es and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows m...Show more
Weberknecht, as used in GitHub Gaug.es and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Emorym
1Android Pusher
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The Android_Pusher library for Android does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle att...Show more
The Android_Pusher library for Android does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Acra
1Acra Library
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The ACRA library for Android does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to...Show more
The ACRA library for Android does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Firstdata
Zen Cart
2Linkpoint
Zen Cart
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The LinkPoint module in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers...Show more
The LinkPoint module in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Lincolnloop
Zen Cart
2Authorize.net Echeck Module
Zen Cart
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The Authorize.Net eCheck module in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middl...Show more
The Authorize.Net eCheck module in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Paypal
Zen Cart
2Payments Pro
Zen Cart
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The PayPal Payments Pro module in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle...Show more
The PayPal Payments Pro module in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the PHP fsockopen function, a different vulnerability than CVE-2012-5805.Show less
2Paypal
Zen Cart
2Instant Payment Notification
Zen Cart
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The PayPal IPN functionality in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle a...Show more
The PayPal IPN functionality in Zen Cart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, a different vulnerability than CVE-2012-5806.Show less
2Cybersource Module Project
Ubercart
2Cybersource
Ubercart
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The CyberSource module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attacke...Show more
The CyberSource module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Irata
Ubercart
2Authorize.net Module
Ubercart
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The Authorize.Net module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attac...Show more
The Authorize.Net module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Paypal
Ubercart
2Paypal
Ubercart
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The PayPal module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to...Show more
The PayPal module in Ubercart does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Prestashop
2Ebay
Prestashop
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The PayPal module in PrestaShop does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers...Show more
The PayPal module in PrestaShop does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the PHP fsockopen function.Show less
1Prestashop
2Ebay Module
Prestashop
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The eBay module in PrestaShop does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to...Show more
The eBay module in PrestaShop does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Prestashop
Presto Changeo
2Canadapost
Prestashop
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The Canada Post (aka CanadaPost) module in PrestaShop does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in...Show more
The Canada Post (aka CanadaPost) module in PrestaShop does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the PHP fsockopen function.Show less
2Oscommerce
Paypal
2Oscommerce
Payflow Pro Express Checkout
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The PayPal Pro PayFlow EC module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-mi...Show more
The PayPal Pro PayFlow EC module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Brian Burton
Oscommerce
2Oscommerce
Paypal Pro Payflow Module
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The PayPal Pro PayFlow module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middl...Show more
The PayPal Pro PayFlow module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Oscommerce
Paypal
2Oscommerce
Paypal Pro
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The PayPal Pro module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attack...Show more
The PayPal Pro module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Akunamachata
Oscommerce
2Oscommerce
Paypal Express Module
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The PayPal Express module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle at...Show more
The PayPal Express module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Moneybookers
Oscommerce
2Moneybookers
Oscommerce
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The MoneyBookers module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle atta...Show more
The MoneyBookers module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
2Harald Ponce De Leon
Oscommerce
2Authorize.net
Oscommerce
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The Authorize.Net module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle att...Show more
The Authorize.Net module in osCommerce does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less