CVE-2025-2563: unknown user registration & membership Improper Privilege Management
Vulnerability summary
CVE-2025-2563 is a critical (CVSS 9.8) Improper Privilege Management vulnerability in unknown user registration & membership. EPSS estimates a 48.80% chance of exploitation in the next 30 days, higher than 98.8% of scored vulnerabilities. 2 public exploits are recorded. Fixed in 4.1.2.
Timeline
- 14-04-2025PublishedVulnerability first disclosed.
- 27-08-2025Last modifiedVulnerability information updated.
Description
The User Registration & Membership WordPress plugin before 4.1.2 does not prevent users to set their account role when the Membership Addon is enabled, leading to a privilege escalation issue and allowing unauthenticated users to gain admin privileges
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
48.80%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
+0.31 pp
From 48.50% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (wpscan.com)
Maturity: unknown
WP User Registration and Membership Unauthenticated Privilege Escalation (CVE-2025-2563)
exploit/multi/http/wp_user_registration_membership_escalation
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Unknown1 product
Wordpress1 product
- user-registration≤ 4.1.1 (fixed in 4.1.2)
Wpeverest1 product
- user_registration_\&_membership< 4.1.2 | < 5.1.2
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/2c0f62a1-9510-4f90-a297-17634e6c8b75/ExploitVDB EntryTechnical DescriptionThird Party Advisory