CVE-2021-24153CWE-79

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

published April 5, 2021

CVSS
—
EPSS
1%
Percentile
65.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01115 · 65.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2021-04-05T18:27Z
EPSS history
Timeline
  • 05 APR 18:27Z
    Yoast SEO < 3.4.1 - Authenticated Stored Cross-Site Scripting (XSS)
    cvelistv5