Quick answers
- Is CVE-2025-66149 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-66149 being exploited in the wild.
- How severe is CVE-2025-66149?
- Medium severity, with a CVSS score of 5.4, published 31 December 2025.
- Which products and versions are affected?
- Merkulove UnGrabber <= 3.1.3.
- Is there a fix for CVE-2025-66149?
- 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-2025-66149 attacked?
- It is attacked over the network.
- Am I affected by CVE-2025-66149?
- Check whether you run Merkulove UnGrabber 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
This is a broken access control vulnerability in the UnGrabber WordPress plugin (versions <= 3.1.3). The vulnerability allows authenticated users with subscriber-level privileges to bypass authorization checks and perform unauthorized actions on pages or data they should not have access to. The vulnerability is exploitable without elevated privileges and requires only an authenticated account. No official patch is currently available; administrators should update the plugin once a patched version is released or consider disabling the plugin until mitigation is available.
Affected products
- merkulove UnGrabber <= 3.1.3
Timeline
- 2025-11-10: disclosed: Reported by Phat RiO
- 2025-12-31: advisory: Published by Patchstack