CVEvulnerability

CVE-2021-24471

5.4 MEDIUM Published 2021-08-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:N/AC:H/Au:S/C:N/I:P/A:N
Weaknesses
CWE-79

Description

The YouTube Embed WordPress plugin before 5.2.2 does not validate, escape or sanitise some of its shortcode attributes, leading to Stored XSS issues by 1. using w, h, controls, cc_lang, color, language, start, stop, or style parameter of youtube shortcode, 2. by using style, class, rel, target, width, height, or alt parameter of youtube_thumb shortcode, or 3. by embedding a video whose title or description contains XSS payload (if API key is configured).

Affected configurations

• youtube embed project youtube embed (< 5.2.2)

Related

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References