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CVE-2024-4439

Published: May 3, 2024Updated: Jan 5, 2026 Sources: CVE List NVD BDUCWE-80
NVD MITRE
7.2CVSSHIGH
EPSS Score
70.8%
Top 0.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Am I actually vulnerable?2 Nuclei templates available — see how to check your systems. How to verify

Description

WordPress Core is vulnerable to Stored Cross-Site Scripting via user display names in the Avatar block in various versions up to 6.5.2 due to insufficient output escaping on the display name. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. In addition, it also makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that have the comment block present and display the comment author's avatar.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-80

Affected Products

WordPressWordPress FoundationWeb & CMS Plugins
wordpresswordpress
On-premWeb App
Web & CMS Plugins / cms-core
wordpress foundationoss-projectUSWeb & CMS Plugins
wordpressoss-projectUSWeb & CMS Pluginsaka wp, wordpress.org, wordpress mu

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/e363c09a-4381-4b3a-951c-9a0ff5669016?source=cve
wordfence.com
https://wordpress.org/news/2024/04/wordpress-6-5-2-maintenance-and-security-release/
wordpress.org
https://core.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=57950%40%2F&new=57950%40%2F&sfp_email=&sfph_mail=#file3
core.trac.wordpress.org
and 6 more references View all →

Timeline

Published
May 3, 2024
Last Updated
Jan 5, 2026

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