EUVD-2026-66991
GHSA-597g-v5f3-3w2v
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network-reachable privilege escalation (PR:N/UI:N) to administrator yields full C/I/A impact; scope unchanged as compromise stays within the WordPress instance.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Privilege Escalation in ACPT (Pro) - Custom Post Types Plugin for WordPress <= 2.0.63 versions.
Articles & Coverage 1
AnalysisAI
Unauthenticated privilege escalation in the ACPT (Pro) - Custom Post Types plugin for WordPress affects all versions up to and including 2.0.63, allowing remote attackers with no credentials to improperly gain elevated privileges (CWE-266). Rated CVSS 9.8, the flaw grants full confidentiality, integrity, and availability impact, effectively enabling site takeover. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The target must be running the ACPT (Pro) - Custom Post Types Plugin for WordPress at version 2.0.63 or earlier, with the plugin active and its endpoints reachable over the network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, score 9.8) describes a best-case attacker scenario: network-reachable, low complexity, no privileges, no user interaction, with total impact - signals that consistently point to a genuine high-priority issue rather than an inflated score, because privilege escalation to admin on WordPress typically means full site compromise. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update the ACPT (Pro) - Custom Post Types plugin to the first release above 2.0.63; the input data does not specify an exact fixed version, so confirm the patched build directly from the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/advanced-custom-post-type/vulnerability/wordpress-acpt-pro-custom-post-types-plugin-for-wordpress-plugin-2-0-63-privilege-escalation-vulnerability) or the vendor before deploying. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an inventory of all WordPress sites running the ACPT (Pro) plugin and immediately disable it on systems where it is not mission-critical; if the plugin is essential, isolate affected WordPress instances to restricted network access and enable web application firewall (WAF) rules blocking unauthorized administrative access attempts. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Wordpress Plugin
View allThe Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1
The Hash Form - Drag & Drop Form Builder plugin for WordPress is vulnerable to arbitrary file uploads due to missing fil
Authentication bypass in the LiteSpeed Cache WordPress plugin (versions prior to 6.5.0.1) allows unauthenticated remote
The Simple File List plugin for WordPress through version 4.2.2 contains an unauthenticated remote code execution vulner
The SureTriggers WordPress plugin through version 1.0.82 contains a privilege escalation vulnerability that allows unaut
The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via
The Business Directory Plugin - Easy Listing Directories for WordPress plugin for WordPress is vulnerable to time-based
SQL injection in the NotificationX WordPress plugin (versions up to and including 2.8.2) allows unauthenticated remote a
The POST SMTP Mailer - Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress i
The MasterStudy LMS WordPress Plugin - for Online Courses and Education plugin for WordPress is vulnerable to union base
The Email Subscribers by Icegram Express plugin for WordPress is vulnerable to SQL Injection via the ‘hash’ parameter in
Remote code execution in the WP Query Console WordPress plugin (versions up to and including 1.0) by Ajit Bohra allows u
Same weakness CWE-266 – Incorrect Privilege Assignment
View allSame technique Privilege Escalation
View allShare
External POC / Exploit Code
Leaving vuln.today