CVE-2023-40680

MEDIUM 5.9

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

CVSS Score

5.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	team yoast
Product	yoast seo
Published	Nov 30, 2023
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

Team Yoast / Yoast SEO

n/a ≤ 21.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Rafie Muhammad (Patchstack)