CVE-2024-31987: xwiki Auth Bypass — Exploit & Fix

Description

XWiki Platform is a generic wiki platform. Starting in version 6.4-milestone-1 and prior to versions 4.10.19, 15.5.4, and 15.10-rc-1, any user who can edit any page like their profile can create a custom skin with a template override that is executed with programming right, thus allowing remote code execution. This has been patched in XWiki 14.10.19, 15.5.4 and 15.10RC1. No known workarounds are available except for upgrading.

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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-862 Missing Authorization

Affected Products

Vendor	Product	Versions
xwiki	xwiki	6.4 — 14.10.19
xwiki	xwiki	15.0 — 15.5.4
xwiki	xwiki	15.6 — 15.10

References

Advisories & Patches

https://github.com/xwiki/xwiki-platform/commit/3d4dbb41f52d1a6e39835cfb1695ca6668605a39 https://github.com/xwiki/xwiki-platform/commit/626d2a5dbf95b4e719ae13bf1a0a9c76e4edd5a2 https://github.com/xwiki/xwiki-platform/commit/da177c3c972e797d92c1a31e278f946012c41b56 https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-cv55-v6rw-7r5v https://jira.xwiki.org/browse/XWIKI-21478 https://github.com/xwiki/xwiki-platform/commit/3d4dbb41f52d1a6e39835cfb1695ca6668605a39 https://github.com/xwiki/xwiki-platform/commit/626d2a5dbf95b4e719ae13bf1a0a9c76e4edd5a2 https://github.com/xwiki/xwiki-platform/commit/da177c3c972e797d92c1a31e278f946012c41b56 https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-cv55-v6rw-7r5v https://jira.xwiki.org/browse/XWIKI-21478

Exploits

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-cv55-v6rw-7r5v https://jira.xwiki.org/browse/XWIKI-21478 https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-cv55-v6rw-7r5v https://jira.xwiki.org/browse/XWIKI-21478

Frequently Asked Questions

What is CVE-2024-31987? +

XWiki Platform is a generic wiki platform. Starting in version 6.4-milestone-1 and prior to versions 4.10.19, 15.5.4, and 15.10-rc-1, any user who can edit any page like their profile can create a custom skin with a template override that is executed with programming right, thus allowing remote code execution. This has been patched in XWiki 14.10.19, 15.5.4 and 15.10RC1. No known workarounds are available except for upgrading. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2024-31987? +

CVE-2024-31987 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-2024-31987? +

CVE-2024-31987 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-2024-31987? +

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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