PT-2024-15113 · WordPress · The Rss Aggregator By Feedzy – Feed To Post

Colin Xu · Published 2024-04-07 · Updated 2025-01-14 · CVE-2023-6877

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions The RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator plugin for WordPress versions up to, and including, 4.3.3

Description The issue is related to Stored Cross-Site Scripting via the plugin's shortcode(s) due to insufficient input sanitization and output escaping on the Content-Type field of error messages when retrieving an invalid RSS feed. This allows 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.

Recommendations For versions up to, and including, 4.3.3, update to a version that addresses the insufficient input sanitization and output escaping issue. As a temporary workaround, consider restricting access to the plugin's shortcode(s) to minimize the risk of exploitation. Additionally, restrict contributor-level access and above to authorized personnel only.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2023-6877

Affected Products

The Rss Aggregator By Feedzy – Feed To Post

References · 5

• https://osv.dev/vulnerability/CVE-2023-6877 · Vendor Advisory
• https://plugins.trac.wordpress.org/changeset/3012849/feedzy-rss-feeds · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-6877 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/7d25e85f-28f7-4cc5-9856-25cc5aaf1418?source=cve · Vendor Advisory
• https://t.me/cvenotify/75930 · Telegram Post