CVE-2025-29790

Contao allows cross-site scripting through SVG uploads

Published Mar 18, 2025 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
Contao is an Open Source CMS. Users can upload SVG files with malicious code, which is then executed in the back end and/or front end. This vulnerability is fixed in Contao 4.13.54, 5.3.30, or 5.5.6.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-6706 Contao Vulnerable to Cross-Site Scripting (XSS) through SVG uploads
Github GHSA Github GHSA GHSA-vqqr-fgmh-f626 Contao Vulnerable to Cross-Site Scripting (XSS) through SVG uploads
History
Type Values Removed Values Added
CPEs cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Contao is an Open Source CMS. Users can upload SVG files with malicious code, which is then executed in the back end and/or front end. This vulnerability is fixed in Contao 4.13.54, 5.3.30, or 5.5.6.
Title Contao allows cross-site scripting through SVG uploads
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Mar 18, 2025, 6:48 PM
Reserved
Mar 11, 2025, 2:23 PM
Status
Analyzed
Published
Mar 18, 2025, 7:15 PM
Modified
Jun 17, 2026, 9:05 AM