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.
Published: 2024-04-07
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-59081 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.
History

Wed, 08 Apr 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 08 Apr 2026 17:45:00 +0000

Type Values Removed Values Added
Title RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator <= 4.3.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Error Message

Tue, 14 Jan 2025 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Themeisle
Themeisle rss Aggregator By Feedzy
Weaknesses CWE-79
CPEs cpe:2.3:a:themeisle:rss_aggregator_by_feedzy:*:*:*:*:*:wordpress:*:*
Vendors & Products Themeisle
Themeisle rss Aggregator By Feedzy

Subscriptions

Themeisle Rss Aggregator By Feedzy
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-04-08T17:02:50.248Z

Reserved: 2023-12-15T20:15:51.025Z

Link: CVE-2023-6877

cve-icon Vulnrichment

Updated: 2024-08-02T08:42:08.264Z

cve-icon NVD

Status : Modified

Published: 2024-04-07T02:15:07.450

Modified: 2026-04-08T18:18:44.070

Link: CVE-2023-6877

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses