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cve record

CVE-2026-64638

CVSS—
Severitynone
Weakness—
ExploitedNot in CISA KEV

Description

References

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Our coverage of CVE-2026-64638

CVE-2026-64638high

New WordPress Pre-Auth XSS Could Lead to PHP Code Execution - Patch ASAP

A newly discovered pre-authentication reflected cross-site scripting (XSS) vulnerability has been identified in the login screen of WordPress, affecting all versions of the content management system. This high-severity flaw, tracked as CVE-2026-64638 with a CVSS score of 8.9, requires no prior attacker privileges and can, under specific additional conditions, be chained to achieve PHP code…