CVE-2023-40680

WordPress Yoast SEO Plugin <= 21.0 is vulnerable to Cross Site Scripting (XSS)

State: Published
Severity: 5.9 Medium
Published: Nov 30, 2023
Updated: Apr 28, 2026
Reserved: Aug 18, 2023

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Team Yoast Yoast SEO allows Stored XSS.This issue affects Yoast SEO: from n/a through 21.0.

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L	Patchstack

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
Yoast SEOTeam Yoast	21.0 and earlierAffectedfrom 21.1Not affected

References

https://patchstack.com/database/vulnerability/wordpress-seo/wordpress-yoast-seo-plugin-21-0-cross-site-scripting-xss-vulnerability?_s_id=cvevdb-entry

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.