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Vulnerability record · CVE-2026-16281 · published 4 September 2026

CVE-2026-16281: Insecure direct object reference vulnerability

The Classified Listing WordPress plugin before 6.1.1 does not verify that the caller owns or can edit the target listing before its AI image-editing AJAX action deletes or attaches media, allowing any authenticated user, including a subscriber, to permanently delete attachments from, and attach files to, any listing owned by another user.

7.1 CVSS 3.1 High EPSS 0.19% · top 92.4% CWE-639 · Insecure direct object reference Deferred
7.1CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
8 Sep 2026Last modified by NVD

Description

The Classified Listing WordPress plugin before 6.1.1 does not verify that the caller owns or can edit the target listing before its AI image-editing AJAX action deletes or attaches media, allowing any authenticated user, including a subscriber, to permanently delete attachments from, and attach files to, any listing owned by another user.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

References

LinkTags
https://wpscan.com/vulnerability/e6a781c3-570f-4293-8f4c-9331389dd100/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.4CVE-2026-55255Langflow IDOR in responses endpoint allows cross-user flow executionLangflow before 1.9.1 has an insecure direct object reference in the /api/v1/responses endpoint. An authenticated attacker can supply another user's …KEVEPSS 0.89%analysed

Source: NIST National Vulnerability Database (record CVE-2026-16281), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.