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CVE-2021-24153CWE-79

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

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.1%
exploitation probability
1.1%top 37% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Unknown · Yoast SEO