The Ace Post Type Builder plugin for WordPress is vulnerable to unauthorized custom taxonomy deletion due to missing authorization validation on the cptb_delete_custom_taxonomy() function in all versions up to, and including, 1.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary custom taxonomies.
CVE-2025-13405
MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence
Score 5.3 from GitHub Security Advisory published 2025-11-25. NVD baseline CVSS 5.3; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EG Risk
- 39(Track)EG Risk 39/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity53% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 18%
- KEV
- Not listed
Published
November 25, 2025
Last Modified
April 15, 2026
References (4)
- security@wordfencehttps://plugins.trac.wordpress.org/browser/ace-post-type-builder/tags/1.9/includes/class-cptb-core.php#L400
- security@wordfencehttps://plugins.trac.wordpress.org/browser/ace-post-type-builder/trunk/includes/class-cptb-core.php#L400
- security@wordfencehttps://plugins.trac.wordpress.org/changeset/3412781/
- security@wordfencehttps://www.wordfence.com/threat-intel/vulnerabilities/id/b56cef33-057b-4c40-945f-68306597b00b?source=cve
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Frequently asked(5)
What is CVE-2025-13405?
CVE-2025-13405 is a medium vulnerability published on November 25, 2025. The Ace Post Type Builder plugin for WordPress is vulnerable to unauthorized custom taxonomy deletion due to missing authorization validation on the cptbdeletecustom_taxonomy() function in all versions up to, and including, 1.9. This makes it possible for authenticated attackers, with…
When was CVE-2025-13405 disclosed?
CVE-2025-13405 was first published in the National Vulnerability Database on November 25, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-13405 actively exploited?
CVE-2025-13405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 81.7% of all scored CVEs.
What is the CVSS score of CVE-2025-13405?
CVE-2025-13405 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2025-13405?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-13405, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-13405
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