5.4

CVE-2021-24153

Exploit

Yoast SEO < 3.4.1 - Authenticated Stored Cross-Site Scripting (XSS)

Yoast SEO <= 3.4.0 - Authenticated Stored Cross-Site Scripting

A Stored Cross-Site Scripting vulnerability was discovered in the Yoast SEO WordPress plugin before 3.4.1, which had built-in blacklist filters which were blacklisting Parenthesis as well as several functions such as alert but bypasses were found.
Mögliche Gegenmaßnahme
Yoast SEO – Advanced SEO with real-time guidance and built-in AI: Update to version 3.4.1, or a newer patched version
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
YoastYoast Seo SwPlatformwordpress Version < 3.4.1
Weitere Schwachstelleninformationen
SystemWordPress Plugin
Produkt Yoast SEO – Advanced SEO with real-time guidance and built-in AI
Version [*, 3.4.1)
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.12% 0.618
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.4 2.3 2.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
nvd@nist.gov 3.5 6.8 2.9
AV:N/AC:M/Au:S/C:N/I:P/A:N
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.

https://packetstormsecurity.com/files/138192/
Third Party Advisory
Exploit
VDB Entry
https://plugins.trac.wordpress.org/changeset/1466243/wordpress-seo
Third Party Advisory
https://wpscan.com/vulnerability/77810044-394d-4314-b9a1-20c7dca726dc
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/0cde6b5b-f760-467b-940f-06a1f983ddc4
Third Party Advisory