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GHSA-9875-cw22-f7cx

HighCVSS 8.7 / 10
Published Jun 13, 2025·Last modified Apr 1, 2026
Affected Components(5)
Maven logoorg.xwiki.platform/xwiki-platform-rendering-wikimacro-store
17.0.0-rc-1 – 17.0.0
Maven logoorg.xwiki.platform/xwiki-platform-rendering-wikimacro-store
>= 12.6.3
Maven logoorg.xwiki.platform/xwiki-platform-rendering-wikimacro-store
12.8.0-rc-1 – 16.4.7
1 / 2
Description

Impact

Any user with edit right on a page (could be the user's profile) can execute code (Groovy, Python, Velocity) with programming right by defining a wiki macro. This allows full access to the whole XWiki installation and thus impacts its confidentiality, integrity and availability. The main problem is that if a wiki macro parameter allows wiki syntax, its default value is executed with the rights of the author of the document where it is used. This can be exploited by overriding a macro like the children macro that is used in a page that has programming right like the page XWiki.ChildrenMacro and thus allows arbitrary script macros. The full reproduction steps can be found in the original issue.

Patches

This vulnerability has been patched in XWiki 16.4.7, 16.10.3 and 17.0.0 by executing wiki parameters with the rights of the wiki macro's author when the parameter's value is the default value.

Workarounds

We're not aware of any workarounds except for upgrading.

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Risk Scores
Base Score
8.7

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
6.3

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2025-49581
    Alias
  • EUVD-2025-18284
    Alias

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High severity
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