CVE-2023-36828

Public Exploit
Statamic's Antlers sanitizer cannot effectively sanitize malicious SVG

Description

Statamic is a flat-first, Laravel and Git powered content management system. Prior to version 4.10.0, the SVG tag does not sanitize malicious SVG. Therefore, an attacker can exploit this vulnerability to perform cross-site scripting attacks using SVG, even when using the `sanitize` function. Version 4.10.0 contains a patch for this issue.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.24%
Vendor Advisory github.com
Affected: statamic cms
Published at:
Updated at:

References

Link Tags
https://github.com/statamic/cms/security/advisories/GHSA-6r5g-cq4q-327g exploit vendor advisory
https://github.com/statamic/cms/pull/8408 patch
https://github.com/statamic/cms/commit/c714893ad92de6e5ede17b501003441af505b30d patch
https://github.com/statamic/cms/blob/f806b6b007ddcf066082eef175653c5beaa96d60/src/Http/Controllers/CP/Fieldtypes/FilesFieldtypeController.php#L15 product
https://github.com/statamic/cms/blob/f806b6b007ddcf066082eef175653c5beaa96d60/src/Tags/Svg.php#L36-L40 product
https://github.com/statamic/cms/releases/tag/v4.10.0 release notes

Frequently Asked Questions

What is the severity of CVE-2023-36828?
CVE-2023-36828 has been scored as a medium severity vulnerability.
How to fix CVE-2023-36828?
To fix CVE-2023-36828, 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-2023-36828 being actively exploited in the wild?
It is possible that CVE-2023-36828 is being exploited or will be exploited in a near future based on public information. 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-2023-36828?
CVE-2023-36828 affects statamic cms.
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