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CVE-2024-55877

CRITICAL
Published 2024-12-12T19:13:43.128Z
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CVSS Score

V3.1
10.0
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.502
probability
of exploitation in the wild

There is a 50.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.977
Higher than 97.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

XWiki Platform is a generic wiki platform. Starting in version 9.7-rc-1 and prior to versions 15.10.11, 16.4.1, and 16.5.0, any user with an account can perform arbitrary remote code execution by adding instances of `XWiki.WikiMacroClass` to any page. This compromises the confidentiality, integrity and availability of the whole XWiki installation. This vulnerability has been fixed in XWiki 15.10.11, 16.4.1 and 16.5.0. It is possible to manually apply the patch to the page `XWiki.XWikiSyntaxMacrosList` as a workaround.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

xwiki

xwiki-platform

Affected Versions:

>= 9.7-rc-1, < 15.10.11 >= 16.0.0-rc-1, < 16.4.1 >= 16.5.0-rc-1, < 16.5.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed CRITICAL

XWiki allows remote code execution from account through macro descriptions and XWiki.XWikiSyntaxMacrosList

GHSA-2r87-74cx-2p7c

Advisory Details

### Impact Any user with an account can perform arbitrary remote code execution by adding instances of `XWiki.WikiMacroClass` to any page. This compromises the confidentiality, integrity and availability of the whole XWiki installation. To reproduce on a instance, as a connected user without script nor programming rights, go to your user profile and add an object of type `XWiki.WikiMacroClass`. Set "Macro Id", "Macro Name" and "Macro Code" to any value, "Macro Visibility" to `Current User` and "Macro Description" to `{{async}}{{groovy}}println("Hello from User macro!"){{/groovy}}{{/async}}`. Save the page, then go to `<host>/xwiki/bin/view/XWiki/XWikiSyntaxMacrosList`. If the description of your new macro reads "Hello from User macro!", then your instance is vulnerable. ### Patches This vulnerability has been fixed in XWiki 15.10.11, 16.4.1 and 16.5.0. ### Workarounds It is possible to manually apply [this patch](https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3#diff-92fee29683e671b8bc668e3cf4295713d6259f715e3954876049f9de77c0a9ef) to the page `XWiki.XWikiSyntaxMacrosList`. ### References * https://jira.xwiki.org/browse/XWIKI-22030 * https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3

Affected Packages

Maven org.xwiki.platform:xwiki-platform-help-ui
ECOSYSTEM: ≥9.7-rc-1 <15.10.11
Maven org.xwiki.platform:xwiki-platform-help-ui
ECOSYSTEM: ≥16.0.0-rc-1 <16.4.1
Maven org.xwiki.platform:xwiki-platform-help-ui
ECOSYSTEM: ≥16.5.0-rc-1 <16.5.0

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

WEB https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-2r87-74cx-2p7c
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-55877
WEB https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3
PACKAGE https://github.com/xwiki/xwiki-platform
WEB https://jira.xwiki.org/browse/XWIKI-22030

Advisory provided by GitHub Security Advisory Database. Published: December 12, 2024, Modified: December 12, 2024

References

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-2r87-74cx-2p7c
https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3
https://jira.xwiki.org/browse/XWIKI-22030
Published: 2024-12-12T19:13:43.128Z
Last Modified: 2024-12-13T14:54:49.185Z
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