Description
Contao is an open source content management system. Starting in version 4.9.0 and prior to versions 4.13.40 and 5.3.4, when checking for broken links on protected pages, Contao sends the cookie header to external urls as well, the passed options for the http client are used for all requests. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable crawling protected pages.
References (5)
Core 5
Core References
Vendor Advisory x_refsource_confirm
https://github.com/contao/contao/security/advisories/GHSA-9jh5-qf84-x6pr
Patch x_refsource_misc
https://github.com/contao/contao/commit/73a2770e2d3535ec9f1b03d54be00e56ebb8ff16
Patch x_refsource_misc
https://github.com/contao/contao/commit/79b7620d01ce8f46ce2b331455e0d95e5208de3d
Vendor Advisory x_refsource_misc
https://contao.org/en/security-advisories/session-cookie-disclosure-in-the-crawler
Scores
CVSS v3
8.3
EPSS
0.0041
EPSS Percentile
61.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-200
Status
published
Products (2)
contao/contao
4.9.0 - 4.13.40
contao/core-bundle
4.9.0 - 4.13.40Packagist
Published
Apr 09, 2024
Tracked Since
Feb 18, 2026