CVE-2024-55877

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.

CVSS v3.1 Score

9.9

CRITICAL

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

Weakness Type (CWE)

CWE-96 CWE-96

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
xwiki	xwiki	9.7 — 15.10.11
xwiki	xwiki	16.0.0 — 16.4.1
xwiki	xwiki	All

References

Advisories & Patches

https://github.com/xwiki/xwiki-platform/commit/40e1afe001d61eafdf13f3621b4b597a0e58a3e3 https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-2r87-74cx-2p7c https://jira.xwiki.org/browse/XWIKI-22030 https://jira.xwiki.org/browse/XWIKI-22030

Exploits

https://jira.xwiki.org/browse/XWIKI-22030 https://jira.xwiki.org/browse/XWIKI-22030

Frequently Asked Questions

What is CVE-2024-55877? +

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. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2024-55877? +

CVE-2024-55877 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-55877? +

CVE-2024-55877 affects products from xwiki, specifically: xwiki. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-55877? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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