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CVE-2022-24899

33
FAUCET Score

CVE-2022-24899 is a cross-site scripting (XSS) vulnerability affecting Contao CMS versions prior to 4.13.3, allowing code injection into the canonical tag. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While no active exploitation or public exploit code (Metasploit, ExploitDB) is reported, a Nuclei template exists, and community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.13.0, <= 4.13.2CPE matchmatch criteria
cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.48%
Probability of exploitation in next 30 days
EPSS Percentile
90.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Nuclei: CVE-2022-24899 · Jun 19, 2022
This CVE's current EPSS score of 0.0448 is in the 96th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: contao/core-bundleFixed in: 4.13.3
composerpatch availablevia ghsa
Product: contao/contaoFixed in: 4.13.3
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-m8x6-6r63-qvj2high

Cross site scripting via canonical tag in Contao

May 20, 2022

References

contao.org / en/security-advisories/cross-site-scripting-via-canonical-url.html
Vendor Advisory
github.com / contao/contao/commit/199206849a87ddd0fa5cf674eb3c58292fd8366c
PatchThird Party Advisory
github.com / contao/contao/security/advisories/GHSA-m8x6-6r63-qvj2
Third Party Advisory