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CVE-2024-21650

83
FAUCET Score

CVE-2024-21650 is a critical remote code execution (RCE) vulnerability affecting XWiki Platform versions prior to 14.10.17, 15.5.3, and 15.8 RC1. Attackers can exploit this flaw by injecting malicious payloads into the "first name" or "last name" fields during user registration, provided guest registration is enabled. With a CVSS score of 9.8 (CRITICAL) and an EPSS score of 0.9312, this vulnerability allows unauthenticated attackers to achieve full compromise (confidentiality, integrity, availability) with low attack complexity. While there are no known active exploits or Metasploit modules, Nuclei templates exist, and there is some community discussion, indicating potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 14.10.17CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
>= 15.0, < 15.5.3CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
>= 15.6, <= 15.7CPE matchmatch criteria
cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
93.48%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2024-21650 · Jun 18, 2024
This CVE's current EPSS score of 0.9348 is in the 99th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.xwiki.platform:xwiki-platform-administration-uiFixed in: 14.10.17
mavenpatch availablevia ghsa
Product: org.xwiki.platform:xwiki-platform-administration-uiFixed in: 15.5.3
mavenpatch availablevia ghsa
Product: org.xwiki.platform:xwiki-platform-administration-uiFixed in: 15.8-rc-1

Vendor Advisories (1)

mavenGHSA-rj7p-xjv7-7229critical

XWiki Remote Code Execution Vulnerability via User Registration

Jan 8, 2024

References

github.com / xwiki/xwiki-platform/commit/b290bfd573c6f7db6cc15a88dd4111d9fcad0d31
Patch
github.com / xwiki/xwiki-platform/security/advisories/GHSA-rj7p-xjv7-7229
Vendor Advisory
jira.xwiki.org / browse/XWIKI-21173
ExploitIssue TrackingVendor Advisory