CVE-2022-50937 — Ametys CMS v4

Ametys CMS v4.4.1 contains a persistent cross-site scripting vulnerability in the link directory's input fields for external links. Attackers can inject malicious script code in link text and descriptions to execute persistent attacks that compromise user sessions and manipu

01What is this vulnerability?

Ametys CMS v4.4.1 contains a persistent cross-site scripting vulnerability in the link directory's input fields for external links. Attackers can inject malicious script code in link text and descriptions to execute persistent attacks that compromise user sessions and manipulate application modules.

02Affected products

Vendor	Product	Versions
Ametys	Ametys CMS	4.4.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-01-13T22:52:02.702Z
• Last modified: 2026-03-05T01:29:38.051Z

09References

• www.exploit-db.com — https://www.exploit-db.com/exploits/50692
• www.vulnerability-lab.com — https://www.vulnerability-lab.com/get_content.php?id=2275
• www.ametys.org — https://www.ametys.org/community/en/ametys-platform/ametys-portal/overview.html
• www.vulncheck.com — https://www.vulncheck.com/advisories/ametys-cms-cross-site-scripting-xss