kevquirk PureBlog up to 3.7.2 Page Editor includes/lib/content.php save_page page slug path traversal

Summaryinfo

A vulnerability was found in kevquirk PureBlog up to 3.7.2 and classified as problematic. The impacted element is the function save_page of the file includes/lib/content.php of the component Page Editor. Executing a manipulation of the argument page slug can lead to path traversal. This vulnerability is handled as CVE-2026-124636. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Detailsinfo

A vulnerability has been found in kevquirk PureBlog up to 3.7.2 and classified as problematic. This vulnerability affects the function save_page of the file includes/lib/content.php of the component Page Editor. The manipulation of the argument page slug with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-124636. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. By approaching the search of inurl:includes/lib/content.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.7.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 71f5b0de2ecb2bb2934048ed40e1155c107484e3 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• kevquirk

Name

• PureBlog

Version

• 3.7.0
• 3.7.1
• 3.7.2

License

• open-source

Website

• Product: https://github.com/kevquirk/pureblog/

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CPE 2.2info

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Submitinfo

Accepted

• Submit #1040559: kevquirk PureBlog 3.7.2 Path Traversal (by summmm)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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