Quick answers
- Is CVE-2026-18352 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18352 being exploited in the wild.
- How severe is CVE-2026-18352?
- High severity, with a CVSS score of 7.5, published 2 August 2026.
- Which products and versions are affected?
- Wordpress User Access Manager up to and including 2.3.15.
- Is there a fix for CVE-2026-18352?
- 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-2026-18352 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-18352?
- Check whether you run Wordpress User Access Manager 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
The vulnerability exists in the User Access Manager plugin's file handling logic, specifically in how it processes the 'uamgetfile' parameter. The flaw arises because when the attachment_url_to_postid() function returns 0 for a traversal path, the plugin falls back to using a global post object set by an attacker-supplied valid ?attachment_id parameter. This causes the access control check to pass against a legitimate public attachment while the actual file served is the attacker's chosen traversal path. The vulnerability affects all versions up to and including 2.3.15 and is exploitable by unauthenticated remote attackers over the network without any user interaction or special preconditions.
Affected products
- WordPress User Access Manager up to and including 2.3.15
Timeline
- 2026-08-02: disclosed