5.4

CVE-2021-24153

Exploit

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
Weitere Schwachstelleninformationen
SystemWordPress Plugin
≫
Produkt Yoast SEO – Advanced SEO with real-time guidance and built-in AI
Version [*, 3.4.1)
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Yoast ≫ Yoast Seo SwPlatformwordpress Version < 3.4.1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.33% 0.556
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