Vulnerability Description
The RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 4.3.3 due to insufficient input sanitization and output escaping on the Content-Type field of error messages when retrieving an invalid RSS feed. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Themeisle | Rss Aggregator By Feedzy | < 4.3.4 |
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/changeset/3012849/feedzy-rss-feedsPatch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7d25e85f-28f7-4cc5-985Vendor Advisory
- https://plugins.trac.wordpress.org/changeset/3012849/feedzy-rss-feedsPatch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7d25e85f-28f7-4cc5-985Vendor Advisory
FAQ
What is CVE-2023-6877?
CVE-2023-6877 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all ...
How severe is CVE-2023-6877?
CVE-2023-6877 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6877?
Check the references section above for vendor advisories and patch information. Affected products include: Themeisle Rss Aggregator By Feedzy.