CVE-2024-21650: xwiki Code Injection

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki is vulnerable to a remote code execution (RCE) attack through its user registration feature. This issue allows an attacker to execute arbitrary code by crafting malicious payloads in the "first name" or "last name" fields during user registration. This impacts all installations that have user registration enabled for guests. This vulnerability has been patched in XWiki 14.10.17, 15.5.3 and 15.8 RC1.

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CVSS v3.1 Score

10.0

CRITICAL

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

Weakness Type (CWE)

CWE-95 CWE-95

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
xwiki	xwiki	< 14.10.17
xwiki	xwiki	15.0 — 15.5.3
xwiki	xwiki	15.6 — 15.7

References

Advisories & Patches

https://github.com/xwiki/xwiki-platform/commit/b290bfd573c6f7db6cc15a88dd4111d9fcad0d31 https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-rj7p-xjv7-7229 https://jira.xwiki.org/browse/XWIKI-21173 https://github.com/xwiki/xwiki-platform/commit/b290bfd573c6f7db6cc15a88dd4111d9fcad0d31 https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-rj7p-xjv7-7229 https://jira.xwiki.org/browse/XWIKI-21173

Exploits

https://jira.xwiki.org/browse/XWIKI-21173 https://jira.xwiki.org/browse/XWIKI-21173

Frequently Asked Questions

What is CVE-2024-21650? +

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. XWiki is vulnerable to a remote code execution (RCE) attack through its user registration feature. This issue allows an attacker to execute arbitrary code by crafting malicious payloads in the "first name" or "last name" fields during user registration. This impacts all installations that have user registration enabled for guests. This vulnerability has been patched in XWiki 14.10.17, 15.5.3 and 15.8 RC1. It has a CVSS v3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2024-21650? +

CVE-2024-21650 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-21650? +

CVE-2024-21650 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-2024-21650? +

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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