CVE-2020-21101

Published: Apr 29, 2021Modified: Jun 17, 2026

5.4

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Exploitability: 2.3 / Impact: 2.7

Source: NVD

Description

Cross Site Scriptiong vulnerabilityin Screenly screenly-ose all versions, including v1.8.2 (2019-09-25-Screenly-OSE-lite.img), in the 'Add Asset' page via manipulation of a 'URL' field, which could let a remote malicious user execute arbitrary code.

Affected (15)

Products: Screenly: Screenly

Screenly

1 product

Screenly

Configuration A

15 vulnerable

Vulnerable Software	Affected Versions
Screenly Screenly	Version 0.10
Screenly Screenly	Version 0.11
Screenly Screenly	Version 0.12.1
Screenly Screenly	Version 0.12
Screenly Screenly	Version 0.13
Screenly Screenly	Version 0.14
Screenly Screenly	Version 0.15.1
Screenly Screenly	Version 0.15
Screenly Screenly	Version 0.16
Screenly Screenly	Version 0.17
Screenly Screenly	Version 0.18.1
Screenly Screenly	Version 0.18.2
Screenly Screenly	Version 0.18
Screenly Screenly	Version 0.9.1
Screenly Screenly	Version 0.9

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://github.com/Screenly/screenly-ose/issues/1254

Source: cve@mitre.org

Third Party Advisory

https://github.com/Screenly/screenly-ose/issues/1254

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.