CVE-2022-24899

mediumpriority · track · 26EPSS 0.045 · 91 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

4.48% (91st) EPSS

CVSS 4.3 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.2

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Nsecondary · security-advisories@github.comexploitability 3.9 · impact 2.7

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Nsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Fsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (4)

Products and version ranges known to be affected.

contao contao≤ < 4.13.3enisa_euvdEU
contao contao4.13.0 → 4.13.2nvdUScpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
Packagist contao/contao4.13.0 → 4.13.3osvUSpkg:composer/contao/contao
Packagist contao/core-bundle4.13.0 → 4.13.3osvUSpkg:composer/contao/core-bundle

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-m8x6-6r63-qvj2Cross site scripting via canonical tag in Contao2022-05-20ghsa · osvUS
### Impact Untrusted users can inject malicious code into the canonical tag, which is then executed on the web page (front end). ### Patches Update to Contao 4.13.3. ### Workarounds Disable canonical tags in the root page settings. ### References https://contao.org/en/security-advisories/cross-site-scripting-via-canonical-url ### For more information If you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2022-05-06modified 2026-06-17

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Related entries.

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+53007 more

references (11)

External citations — patches, advisories, analysis.

scry

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