Cross-site scripting in WordPress - #VU88433

 

Cross-site scripting in WordPress - #VU88433

Published: April 10, 2024


Vulnerability identifier: #VU88433
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Avatar block type. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

WordPress
Fedora
wordpress

Remediation

Install updates from vendor's website.

WordPress - addressed in versions 6.1.6, 6.2.5, 6.3.4, 6.4.4, 6.5.2
wordpress - addressed in versions 6.4.4-1.fc38, 6.5.2-1.el9, 6.5.2-1.fc39, 6.5.2-1.fc40

External References

Related Security Bulletins