Piwigo up to 16.3.x URL filter parser admin/batch_manager.php width/height/ratio/filesize sql injection

Summaryinfo

A vulnerability was found in Piwigo up to 16.3.x and classified as problematic. This affects an unknown function of the file admin/batch_manager.php of the component URL filter parser. Such manipulation of the argument width/height/ratio/filesize leads to sql injection. This vulnerability is referenced as CVE-2026-42323. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Piwigo up to 16.3.x. Affected by this issue is an unknown code of the file admin/batch_manager.php of the component URL filter parser. The manipulation of the argument width/height/ratio/filesize with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Piwigo is a full featured open source photo gallery application for the web. Prior to 16.4.0, admin/batch_manager.php accepts administrator-controlled dimension width, height, and ratio values and filesize values from the Batch Manager filter URL without numeric validation. The URL filter parser stores those values in the bulk_manager_filter session state, and later query construction concatenates them into SQL predicates, unlike the validated POST filter path. An authenticated administrator can use crafted filter values to execute time-based or other SQL expressions and potentially disclose, modify, or disrupt database data. This issue is fixed in version 16.4.0.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-42323 since 04/26/2026. The exploitation is known to be easy. The attack may be launched remotely. The exploitation requires an enhanced level of successful authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

By approaching the search of inurl:admin/batch_manager.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 16.4.0 eliminates this vulnerability.

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

Productinfo

Type

• Photo Gallery Software

Name

• Piwigo

Version

• 16.0
• 16.1
• 16.2
• 16.3

License

• open-source

Website

• Product: https://github.com/Piwigo/Piwigo/

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

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