Auth bypass in Inisev Copy & Delete Posts
CVE-2026-53738
Copy & Delete Posts through 1.5.4 lets any plugin-enabled non-admin role invoke every operation in the cdp_action_handling AJAX handler. Attackers with an enabled role can delete posts or overwrite plugin settings via the f parameter, bypassing per-function capability checks.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Inisev Copy & Delete Posts — versions 0
Weakness classification (CWE)
References
- wordpress.org/plugins/copy-delete-posts/ (product)
- www.vulncheck.com/advisories/copy-delete-posts-through-privilege-escalation-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-53738?
- CVE-2026-53738 is a high-severity vulnerability in Inisev Copy & Delete Posts, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-06-10.
- How severe is CVE-2026-53738?
- High severity. CVSS v3 base score is 8.1 out of 10.