CVE-2023-6877

Medium

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.

SeverityMedium
CVSS6.4
Exploit probability—
ProductThemeisle Rss Aggregator By Feedzy
PublishedApr 7, 2024
First seenApr 7, 2024

How to fix

Update
  • themeisle rss_aggregator_by_feedzy4.3.4 or later

Affected products

ProductAffected versionsFixed in
themeisle rss_aggregator_by_feedzyv < 4.3.44.3.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.