Quick answers
- Is CVE-2026-92978 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-92978 being exploited in the wild.
- How severe is CVE-2026-92978?
- Medium severity, with a CVSS score of 4.3, published 17 October 2026.
- Which products and versions are affected?
- Wordpress User Registration & Membership up to and including 5.2.8.
- Is there a fix for CVE-2026-92978?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-92978 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-92978?
- Check whether you run Wordpress User Registration & Membership at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A cross-site request forgery vulnerability exists in the trigger_bulk_action function due to missing nonce validation. An attacker can bypass the nonce check in trigger_query_actions by supplying an empty new_role parameter, causing the handler to return early and pass control to the unprotected trigger_bulk_action function. An authenticated admin click on a malicious link is required to trigger the attack.
Affected products
- WordPress User Registration & Membership up to and including 5.2.8
Timeline
- 2026-10-17: disclosed