CVE-2023-4841

Name: CVE-2023-4841
Creator: NVD / NIST
Published: 2023-09-14T03:15:08.583+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2023-4841 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Feeds for YouTube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube-feed' shortcode in versions up to, and including, 2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

The Feeds for YouTube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube-feed' shortcode in versions up to, and including, 2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.47%

37.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Smashballoon	Feeds For Youtube	<= 2.1

References

https://plugins.trac.wordpress.org/browser/feeds-for-youtube/tags/2.1/templates/feed.php#L33Issue Tracking
https://plugins.trac.wordpress.org/changeset/2966017/feeds-for-youtube#file564Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/376e2638-a873-4142-ad7d-067ae3333709?source=cveExploit, Third Party Advisory
https://plugins.trac.wordpress.org/browser/feeds-for-youtube/tags/2.1/templates/feed.php#L33Issue Tracking
https://plugins.trac.wordpress.org/changeset/2966017/feeds-for-youtube#file564Patch
https://www.wordfence.com/threat-intel/vulnerabilities/id/376e2638-a873-4142-ad7d-067ae3333709?source=cveExploit, Third Party Advisory

Timeline

Published: Sep 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4841?

How severe is CVE-2023-4841?

CVE-2023-4841 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4841?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4841?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST