YouTube Embed < 5.2.2 - Contributor+ Stored XSS
CVE-2021-24471

5.4MEDIUM

Key Information:

Vendor

Wordpress
Status
Youtube Embed
Vendor
CVE Published:
16 August 2021

What is CVE-2021-24471?

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).

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Deploy the Patch

Affected Version(s)

YouTube Embed 5.2.2

References

https://wpscan.com/vulnerability/a8ccb09a-9f8c-448f-b2d0-...
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

apple502j
JSON
.