CVE-2026-64638

HIGH
8.9
CVSS Score
Published: August 7, 2026 at 06:02 PM UTC
Updated: September 3, 2026 at 05:14 PM UTC
Products not identified yet

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Severity
HIGH8.9
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

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 conditions outside of the attackers control. This requires successful social engineering of and explicit interaction by the target victim. This issue affects all versions of WordPress. Version 7.0.3 has been released, containing a fix for the vulnerability, and as a courtesy to users on older branches the fix has been backported to all branches back to 4.7. Discovered and responsibly disclosed by [the team at pwn.ai](https://pwn.ai/).

Affected

We have no canonical product record for this CVE. The source names may not have matched any product.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.9HIGHhackerone
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-79

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