Vulnerability Description
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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Yoast | Yoast Seo | < 3.4.1 |
Related Weaknesses (CWE)
References
- https://packetstormsecurity.com/files/138192/ExploitThird Party AdvisoryVDB Entry
- https://plugins.trac.wordpress.org/changeset/1466243/wordpress-seoThird Party Advisory
- https://wpscan.com/vulnerability/77810044-394d-4314-b9a1-20c7dca726dcThird Party Advisory
- https://packetstormsecurity.com/files/138192/ExploitThird Party AdvisoryVDB Entry
- https://plugins.trac.wordpress.org/changeset/1466243/wordpress-seoThird Party Advisory
- https://wpscan.com/vulnerability/77810044-394d-4314-b9a1-20c7dca726dcThird Party Advisory
FAQ
What is CVE-2021-24153?
CVE-2021-24153 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 f...
How severe is CVE-2021-24153?
CVE-2021-24153 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-24153?
Check the references section above for vendor advisories and patch information. Affected products include: Yoast Yoast Seo.