Description

WordPress Plugin Yoast SEO is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. WordPress Plugin Yoast SEO version 11.5 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 11.6 or latest

References

https://gist.github.com/sybrew/2f53625104ee013d2f599ac254f635ee

https://yoast.com/yoast-seo-11.6/

Related Vulnerabilities

WordPress Plugin YITH Maintenance Mode Cross-Site Scripting (1.3.7)

silverstripeCMS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-36150)

WordPress Plugin Fast Secure Contact Form Cross-Site Scripting (4.0.37)

WordPress Plugin Comment Rating 'path' Parameter Cross-Site Scripting (2.9.20)

WordPress Plugin Canto Multiple Server-Side Request Forgery Vulnerabilities (1.7.0)

Severity

High

Classification

CVE-2019-13478 CWE-79 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update XSS