Quick answers
- Is CVE-2026-18934 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18934 being exploited in the wild.
- How severe is CVE-2026-18934?
- Medium severity, with a CVSS score of 5.5, published 10 August 2026.
- Which products and versions are affected?
- Feedzy RSS Aggregator by Feedzy before 5.2.6.
- Is there a fix for CVE-2026-18934?
- A patch was published on 2026-08-10: Fix released in version 5.2.6 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-18934 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-18934?
- Check whether anything you run is named in the advisory. 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 is an authorization bypass (CWE-863) in the Feedzy plugin's AJAX handlers for import job management. The plugin does not verify that the requesting user owns or is allowed to edit the targeted import job before processing actions like purge, import_status, run_now, or clear_error_logs. An authenticated user with author-level capability (publish_posts) can craft AJAX requests using a valid nonce to delete posts from other users' import jobs, reset job state, disable jobs, or unpublish arbitrary posts and pages regardless of ownership. The vulnerability requires authentication but no special user interaction; the attacker needs only a valid session and the job ID, which is exposed in the admin UI to any user viewing the import list.
Affected products
- Feedzy RSS Aggregator by Feedzy before 5.2.6
Timeline
- 2026-08-06: disclosed
- 2026-08-10: patched: Fix released in version 5.2.6