CVE-2024-28234

mediumpriority · track · 19EPSS 0.006 · 47 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.57% (47th) EPSS

CVSS 4.7 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Contao is an open source content management system. Starting in version 2.0.0 and prior to versions 4.13.40 and 5.3.4, it is possible to inject CSS styles via BBCode in comments. Installations are only affected if BBCode is enabled. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable BBCode for comments.

cvss

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

4.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · security-advisories@github.comexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · OSV

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-74USCWE-74US

affected products (7)

Products and version ranges known to be affected.

contao contaoall versionsenisa_euvdEU
contao contao2.0.0, → 4.13.40enisa_euvdEU
contao contao5.0.0, → 5.3.4enisa_euvdEU
contao contao2.0 → 4.13.40nvdUScpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
contao contao5.0.0 → 5.3.4nvdUScpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
Packagist contao/comments-bundle2.0.0 → 4.13.40osvUSpkg:composer/contao/comments-bundle
Packagist contao/comments-bundle5.0.0-RC1 → 5.3.4osvUSpkg:composer/contao/comments-bundle

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-j55w-hjpj-825gContao: Insufficient BBCode sanitizer2024-04-09ghsa · osvUS
### Impact If BBCode is enabled for comments, users can inject CSS styles. ### Patches Update to Contao 4.13.40 or 5.3.4. ### Workarounds Disable BBCode for comments. ### References https://contao.org/en/security-advisories/insufficient-bbcode-sanitization ### 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 2024-04-09modified 2026-06-17

references (13)

External citations — patches, advisories, analysis.

scry

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