xwikisas xwiki-pro-macros up to 1.26.4 classes eval injection

Summaryinfo

A vulnerability marked as very critical has been reported in xwikisas xwiki-pro-macros up to 1.26.4. The affected element is an unknown function. Performing a manipulation of the argument classes results in eval injection. This vulnerability is cataloged as CVE-2025-55728. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in xwikisas xwiki-pro-macros up to 1.26.4. It has been classified as very critical. This affects an unknown code. The manipulation of the argument classes with an unknown input leads to a eval injection vulnerability. CWE is classifying the issue as CWE-95. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before using the input in a dynamic evaluation call (e.g. "eval"). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

XWiki Remote Macros provides XWiki rendering macros that are useful when migrating content from Confluence. Starting in version 1.0 and prior to version 1.26.5, missing escaping of the classes parameter in the panel macro allows remote code execution for any user who can edit any page The classes parameter is used without escaping in XWiki syntax, thus allowing XWiki syntax injection which enables remote code execution. Version 1.26.5 contains a patch for the issue.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-55728 since 08/15/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/17/2025).

Upgrading to version 1.26.5 eliminates this vulnerability. Applying the patch 3ca815294bf54fc024b2363efbece7aa08b8efd5 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• xwikisas

Name

• xwiki-pro-macros

Version

• 1.26.0
• 1.26.1
• 1.26.2
• 1.26.3
• 1.26.4

License

• open-source

Website

• Product: https://github.com/xwikisas/xwiki-pro-macros/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion