XSS in Wordpress

CVE-2026-64638

WordPress is vulnerable to a pre-auth reflected XSS vulnerability on the login screen. Via a specially crafted malicious third-party website hosted by an attacker, it is possible for this to be escalated to an RCE vulnerability with con…

Vulnerability class: XSS (Cross-Site Scripting)

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-64638?
CVE-2026-64638 is a vulnerability in Wordpress, classified under Cross-site Scripting. Published 2026-08-07.
Is CVE-2026-64638 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.