CVE-2026-53738

Description

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.

CVSS v3.1 Score

8.1

HIGH

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

EPSS — Exploit Prediction

0.0025

Probability of exploitation

0.16%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

https://wordpress.org/plugins/copy-delete-posts/ https://www.vulncheck.com/advisories/copy-delete-posts-through-privilege-escalation-via-cdp-action-handling-handler

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-53738? +

CVE-2026-53738 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-53738? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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