CVE-2021-32737: XSS Injection in Media Collection Title was possible

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-02 · updated 2026-06-17
Weakness: CWE-79

Description

Sulu is an open-source PHP content management system based on the Symfony framework. In versions of Sulu prior to 1.6.41, it is possible for a logged in admin user to add a script injection (cross-site-scripting) in the collection title. The problem is patched in version 1.6.41. As a workaround, one may manually patch the affected JavaScript files in lieu of updating.

Affected products

sulu: before 1.6.41 — fixed in 1.6.41

How to fix

Upgrade to a fixed version: sulu 1.6.41. Check the vendor advisory for mitigations.

References

https://github.com/sulu/sulu/releases/tag/1.6.41
https://github.com/sulu/sulu/security/advisories/GHSA-gm2x-6475-g9r8
https://github.com/sulu/sulu/releases/tag/1.6.41
https://github.com/sulu/sulu/security/advisories/GHSA-gm2x-6475-g9r8

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