CVE-2020-36170

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-06 · updated 2026-06-17

Description

The Ultimate Member plugin before 2.1.13 for WordPress mishandles hidden name="timestamp" fields in forms.

Affected products

ultimatemember Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership P: before 2.1.13 — fixed in 2.1.13

How to fix

Upgrade to a fixed version: ultimatemember Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership P 2.1.13. Check the vendor advisory for mitigations.

References

https://wordpress.org/plugins/ultimate-member/#developers
https://wordpress.org/plugins/ultimate-member/#developers

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