CVE-2026-85680 Ultimate Member WordPress plugin - Stored XSS

Ultimate Member WordPress plugin < 2.13.1 contains a stored XSS caused by improper escaping and decoding of user-supplied profile names in page titles, letting unauthenticated attackers execute JavaScript when profiles are viewed, exploit requires attacker to register an account.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.51% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
19 September 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to version 2.13.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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