Vulnerability Description
The Author Bio Box WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/includes/admin/class-author-bio-box-admin.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 3.3.1. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Author Bio Box Project | Author Bio Box | <= 3.3.1 |
Related Weaknesses (CWE)
References
- https://github.com/BigTiger2020/word-press/blob/main/Author%20Bio%20Box.mdExploitThird Party Advisory
- https://plugins.trac.wordpress.org/changeset/2613798/author-bio-box/tags/3.3.2/iPatchThird Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39349Third Party Advisory
- https://github.com/BigTiger2020/word-press/blob/main/Author%20Bio%20Box.mdExploitThird Party Advisory
- https://plugins.trac.wordpress.org/changeset/2613798/author-bio-box/tags/3.3.2/iPatchThird Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39349Third Party Advisory
FAQ
What is CVE-2021-39349?
CVE-2021-39349 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The Author Bio Box WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/includes/admin/class-author...
How severe is CVE-2021-39349?
CVE-2021-39349 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39349?
Check the references section above for vendor advisories and patch information. Affected products include: Author Bio Box Project Author Bio Box.