CVE-2024-28235

Contao possible cookie sharing with external domains while checking protected pages for broken links

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.

Category

8.3
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.27%
Vendor Advisory contao.org Vendor Advisory github.com
Affected: contao contao
Published at:
Updated at:

References

Link Tags
https://github.com/contao/contao/security/advisories/GHSA-9jh5-qf84-x6pr vendor advisory
https://github.com/contao/contao/commit/73a2770e2d3535ec9f1b03d54be00e56ebb8ff16 patch
https://github.com/contao/contao/commit/79b7620d01ce8f46ce2b331455e0d95e5208de3d patch
https://contao.org/en/security-advisories/session-cookie-disclosure-in-the-crawler vendor advisory
https://github.com/contao/contao/blob/14e9ef4bc8b82936ba2d0e04164581145a075e2a/core-bundle/src/Resources/contao/classes/Crawl.php#L129 product

Frequently Asked Questions

What is the severity of CVE-2024-28235?
CVE-2024-28235 has been scored as a high severity vulnerability.
How to fix CVE-2024-28235?
To fix CVE-2024-28235, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-28235 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-28235 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-28235?
CVE-2024-28235 affects contao contao.
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