CVE-2022-24899

Name: CVE-2022-24899
Creator: NVD / NIST
Published: 2022-05-06T00:15:07.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 3.72%

Last modified Jun 17, 2026

CVE-2022-24899 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. In versions of Contao prior to 4.13.3 it is possible to inject code into the canonical tag. EPSS estimates a 3.72% chance of exploitation in the next 30 days.

Description

Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. In versions of Contao prior to 4.13.3 it is possible to inject code into the canonical tag. As a workaround users may disable canonical tags in the root page settings.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

3.72%

88.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Contao	Contao	>= 4.13.0, <= 4.13.2

References

https://contao.org/en/security-advisories/cross-site-scripting-via-canonical-url.htmlVendor Advisory
https://github.com/contao/contao/commit/199206849a87ddd0fa5cf674eb3c58292fd8366cPatch, Third Party Advisory
https://github.com/contao/contao/security/advisories/GHSA-m8x6-6r63-qvj2Third Party Advisory
https://contao.org/en/security-advisories/cross-site-scripting-via-canonical-url.htmlVendor Advisory
https://github.com/contao/contao/commit/199206849a87ddd0fa5cf674eb3c58292fd8366cPatch, Third Party Advisory
https://github.com/contao/contao/security/advisories/GHSA-m8x6-6r63-qvj2Third Party Advisory

Timeline

Published: May 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-24899?

How severe is CVE-2022-24899?

CVE-2022-24899 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 3.72% probability of exploitation in the next 30 days.

How do I fix CVE-2022-24899?

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-2022-24899?

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

Scan your code now

Source: NVD / NIST