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CWE-20

13,695 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 (13,695)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Entrouvert
1Lasso
Apr 23, 2026
Jan 7, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a simi...Show more
Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.Show less
1Openssl
1Openssl
Apr 23, 2026
Jan 7, 2009
N/A· v4
N/A· v3
5.8 MEDIUM· v2
OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA...Show more
OpenSSL 0.9.8i and earlier does not properly check the return value from the EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature for DSA and ECDSA keys.Show less
1Samba
1Samba
Apr 23, 2026
Jan 5, 2009
N/A· v4
N/A· v3
6.3 MEDIUM· v2
Samba 3.2.0 through 3.2.6, when registry shares are enabled, allows remote authenticated users to access the root filesystem via a crafted connection request that specifies a blank share name.
1Nokia
16131 Nfc
Apr 23, 2026
Jan 2, 2009
N/A· v4
N/A· v3
7.8 HIGH· v2
The Nokia 6131 Near Field Communication (NFC) phone with 05.12 firmware allows remote attackers to cause a denial of service (device crash) via (1) a large value in the payload length field in an NDEF record, or a certai...Show more
The Nokia 6131 Near Field Communication (NFC) phone with 05.12 firmware allows remote attackers to cause a denial of service (device crash) via (1) a large value in the payload length field in an NDEF record, or a certain length for a (2) tel: or (3) sms: NDEF URI.Show less
1Fujitsu Siemens
1Webtransactions
Apr 23, 2026
Jan 2, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
WBPublish (aka WBPublish.exe) in Fujitsu-Siemens WebTransactions 7.0, 7.1, and possibly other versions allows remote attackers to execute arbitrary commands via shell metacharacters in input that is sent through HTTP and...Show more
WBPublish (aka WBPublish.exe) in Fujitsu-Siemens WebTransactions 7.0, 7.1, and possibly other versions allows remote attackers to execute arbitrary commands via shell metacharacters in input that is sent through HTTP and improperly used during temporary session data cleanup, possibly related to (1) directory names, (2) template names, and (3) session IDs.Show less
1Kafooeyblog
1Kafooeyblog
Apr 23, 2026
Dec 26, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
Unrestricted file upload vulnerability in lib/image_upload.php in KafooeyBlog 1.55b allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct reque...Show more
Unrestricted file upload vulnerability in lib/image_upload.php in KafooeyBlog 1.55b allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file.Show less
1Netcat
1Netcat
Apr 23, 2026
Dec 26, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
Multiple CRLF injection vulnerabilities in AIST NetCat 3.12 and earlier allow remote attackers to have an unknown impact via unspecified vectors involving (1) a %0a sequence in a cookie and (2) the add.php file.
1Mozilla
1Firefox
Apr 23, 2026
Dec 24, 2008
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox 3.0.5 on Windows Vista allows remote attackers to cause a denial of service (application crash) via JavaScript code with a long string value for the hash property (aka location.hash). NOTE: it was later r...Show more
Mozilla Firefox 3.0.5 on Windows Vista allows remote attackers to cause a denial of service (application crash) via JavaScript code with a long string value for the hash property (aka location.hash). NOTE: it was later reported that earlier versions are also affected, and that the impact is CPU consumption and application hang in unspecified circumstances perhaps involving other platforms.Show less
1Kde
1Konqueror
Apr 23, 2026
Dec 24, 2008
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The HTML parser in KDE Konqueror 3.5.9 allows remote attackers to cause a denial of service (application crash) via (1) a long COLOR attribute in an HR element; or a long (a) BGCOLOR or (b) BORDERCOLOR attribute in a (2)...Show more
The HTML parser in KDE Konqueror 3.5.9 allows remote attackers to cause a denial of service (application crash) via (1) a long COLOR attribute in an HR element; or a long (a) BGCOLOR or (b) BORDERCOLOR attribute in a (2) TABLE, (3) TD, or (4) TR element. NOTE: the FONT vector is already covered by CVE-2008-4514.Show less
1Avaya
1Communication Manager
Apr 23, 2026
Dec 24, 2008
N/A· v4
N/A· v3
9.0 HIGH· v2
Multiple unspecified vulnerabilities in the web management interface in Avaya Communication Manager (CM) 3.1 before 3.1.4 SP2, 4.0 before 4.0.3 SP1, and 5.0 before 5.0 SP3 allow remote authenticated users to execute arbi...Show more
Multiple unspecified vulnerabilities in the web management interface in Avaya Communication Manager (CM) 3.1 before 3.1.4 SP2, 4.0 before 4.0.3 SP1, and 5.0 before 5.0 SP3 allow remote authenticated users to execute arbitrary code via unknown attack vectors in the (1) Set Static Routes and (2) Backup History components.Show less
1Verlihub Project
1Verlihub
Apr 23, 2026
Dec 22, 2008
N/A· v4
N/A· v3
9.3 HIGH· v2
The cTrigger::DoIt function in src/ctrigger.cpp in the trigger mechanism in the daemon in Verlihub 0.9.8d-RC2 and earlier, when user triggers are enabled, allows remote attackers to execute arbitrary commands via shell m...Show more
The cTrigger::DoIt function in src/ctrigger.cpp in the trigger mechanism in the daemon in Verlihub 0.9.8d-RC2 and earlier, when user triggers are enabled, allows remote attackers to execute arbitrary commands via shell metacharacters in an argument.Show less
1Wordpress
2Wordpress
Wordpress Mu
Apr 23, 2026
Dec 19, 2008
N/A· v4
N/A· v3
8.5 HIGH· v2
wp-admin/options.php in WordPress MU before 1.3.2, and WordPress 2.3.2 and earlier, does not properly validate requests to update an option, which allows remote authenticated users with manage_options and upload_files ca...Show more
wp-admin/options.php in WordPress MU before 1.3.2, and WordPress 2.3.2 and earlier, does not properly validate requests to update an option, which allows remote authenticated users with manage_options and upload_files capabilities to execute arbitrary code by uploading a PHP script and adding this script's pathname to active_plugins.Show less
1Ipswitch
1Ws Ftp
Apr 23, 2026
Dec 19, 2008
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Ipswitch WS_FTP Server Manager 6.1.0.0 and earlier, and possibly other Ipswitch products, might allow remote attackers to read the contents of custom ASP files in WSFTPSVR/ via a request with an appended dot character.
1Fdgroup
1Olib7 Webview
Apr 23, 2026
Dec 19, 2008
N/A· v4
N/A· v3
4.0 MEDIUM· v2
Fretwell-Downing Informatics (FDI) OLIB7 WebView 2.5.1.1 allows remote authenticated users to obtain sensitive information from files via the infile parameter to the default URI under cgi/, as demonstrated by the (1) get...Show more
Fretwell-Downing Informatics (FDI) OLIB7 WebView 2.5.1.1 allows remote authenticated users to obtain sensitive information from files via the infile parameter to the default URI under cgi/, as demonstrated by the (1) get_settings.ini, (2) setup.ini, and (3) text.ini files.Show less
1Kwalbum
1Kwalbum
Apr 23, 2026
Dec 19, 2008
N/A· v4
N/A· v3
7.1 HIGH· v2
Unrestricted file upload vulnerability in Kwalbum 2.0.4, 2.0.2, and earlier, when PICS_PATH is located in the web root, allows remote authenticated users with upload capability to execute arbitrary code by uploading a fi...Show more
Unrestricted file upload vulnerability in Kwalbum 2.0.4, 2.0.2, and earlier, when PICS_PATH is located in the web root, allows remote authenticated users with upload capability to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file under items/, related to the ReplaceBadFilenameChars function in include/ItemAdder.php. NOTE: some of these details are obtained from third party information.Show less
1Darkwet
1Webcam Xp
Apr 23, 2026
Dec 19, 2008
N/A· v4
N/A· v3
9.4 HIGH· v2
Multiple array index errors in the HTTP server in Darkwet Network webcamXP 3.72.440.0 and earlier and beta 4.05.280 and earlier allow remote attackers to cause a denial of service (device crash) and read portions of memo...Show more
Multiple array index errors in the HTTP server in Darkwet Network webcamXP 3.72.440.0 and earlier and beta 4.05.280 and earlier allow remote attackers to cause a denial of service (device crash) and read portions of memory via (1) an invalid camnum parameter to the pocketpc component and (2) an invalid id parameter to the show_gallery_pic component.Show less
1Textpattern
1Textpattern
Apr 23, 2026
Dec 19, 2008
N/A· v4
N/A· v3
5.0 MEDIUM· v2
index.php in the comments preview section in Textpattern (aka Txp CMS) 4.0.5 allows remote attackers to cause a denial of service via a long message parameter.
1Kusaba
1Kusaba
Apr 23, 2026
Dec 19, 2008
N/A· v4
N/A· v3
9.0 HIGH· v2
Multiple unrestricted file upload vulnerabilities in Kusaba 1.0.4 and earlier allow remote authenticated users to execute arbitrary code by uploading a file with an executable extension using (1) load_receiver.php or (2)...Show more
Multiple unrestricted file upload vulnerabilities in Kusaba 1.0.4 and earlier allow remote authenticated users to execute arbitrary code by uploading a file with an executable extension using (1) load_receiver.php or (2) a shipainter action to paint_save.php, then accessing the uploaded file via a direct request to this file in their user directory.Show less
3Canonical
DebianMozilla
5Debian Linux
FirefoxSeamonkey+2 more
Apr 23, 2026
Dec 17, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 does not properly parse URLs with leading whitespace or control characters, which might allow rem...Show more
Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 does not properly parse URLs with leading whitespace or control characters, which might allow remote attackers to misrepresent URLs and simplify phishing attacks.Show less
1Quassel
1Quassel Core
Apr 23, 2026
Dec 17, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
CRLF injection vulnerability in Quassel Core before 0.3.0.3 allows remote attackers to spoof IRC messages as other users via a crafted CTCP message.