Quick answers
- Is CVE-2026-84066 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-84066 being exploited in the wild.
- How severe is CVE-2026-84066?
- Low severity, with a CVSS score of 3.1, published 4 September 2026.
- Which products and versions are affected?
- Directorist Directorist before 8.9.
- Is there a fix for CVE-2026-84066?
- A patch was published on 2026-09-04: Fixed in version 8.9 with edit_post capability check Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-84066 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-84066?
- 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 plugin's atbdp_post_attachment_upload AJAX action fails to verify that the requesting user owns or has permission to edit the target post before writing uploaded file references to its metadata. An attacker with subscriber role can extract a valid upload nonce from the Add Listing page, then craft a multipart POST request to /wp-admin/admin-ajax.php targeting any post ID with parameters including the nonce, post_id, and a file upload. The vulnerability allows arbitrary underscore-prefixed meta keys to be overwritten with image URLs on any post, including those owned by other users. In version 8.9, the vulnerability was patched by adding an edit_post capability check before processing uploads.
Affected products
- Directorist Directorist before 8.9
Timeline
- 2026-09-02: disclosed
- 2026-09-04: patched: Fixed in version 8.9 with edit_post capability check
- 2026-09-04: advisory