#VU27442 Cross-site scripting in WordPress - CVE-2020-11029
Published: April 29, 2020 / Updated: May 4, 2020
Vulnerability identifier: #VU27442
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-11029
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WordPress
WordPress
Software vendor:
WordPress.ORG
WordPress.ORG
Description
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 wp-object-cache. A remote attacker can 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.
Remediation
Install updates from vendor's website.
External links
- https://wordpress.org/news/2020/04/wordpress-5-4-1/
- https://wpvulndb.com/vulnerabilities/10205/
- https://core.trac.wordpress.org/changeset/47637/
- https://www.wordfence.com/blog/2020/04/unpacking-the-7-vulnerabilities-fixed-in-todays-wordpress-5-4-1-security-update/
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-568w-8m88-8g2c