CVE-2021-24153

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.

CVSS v3.1

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

1.11% chance of exploitation in the next 30 days, 64th percentile

Published

2021-04-05

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://packetstormsecurity.com/files/138192/

References

• CVE Record
• NVD entry

Related

• CVE-2021-24151
• CVE-2021-24155
• CVE-2021-24150
• CVE-2021-24156
• CVE-2021-24149
• CVE-2021-24157