CVE-2021-41169

Name: CVE-2021-41169
Creator: NVD / NIST
Published: 2021-10-21T21:15:08.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2021-41169 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Sulu is an open-source PHP content management system based on the Symfony framework. In versions before 1.6.43 are subject to stored cross site scripting attacks. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Sulu is an open-source PHP content management system based on the Symfony framework. In versions before 1.6.43 are subject to stored cross site scripting attacks. HTML input into Tag names is not properly sanitized. Only admin users are allowed to create tags. Users are advised to upgrade.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.57%

42.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Sulu	Sulu	< 1.6.43

References

https://github.com/sulu/sulu/commit/20007ac70a3af3c9e53a6acb0ef8794b65642445Patch, Third Party Advisory
https://github.com/sulu/sulu/security/advisories/GHSA-h58v-g3q6-q9fxThird Party Advisory
https://github.com/sulu/sulu/commit/20007ac70a3af3c9e53a6acb0ef8794b65642445Patch, Third Party Advisory
https://github.com/sulu/sulu/security/advisories/GHSA-h58v-g3q6-q9fxThird Party Advisory

Timeline

Published: Oct 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41169?

How severe is CVE-2021-41169?

CVE-2021-41169 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41169?

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-2021-41169?

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

Scan your code now

Source: NVD / NIST