CVE-2026-4058: User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.3.2 - Missing Authorization to Authenticated (Subscriber+) Subscription Pack Cancellation
Vulnerability summary
CVE-2026-4058 is a medium (CVSS 4.3) Missing Authorization vulnerability in wedevs user frontend: ai powered frontend posting, user directory, profile, membership & user registration. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.3% of scored vulnerabilities.
Timeline
- 09-06-2026PublishedVulnerability first disclosed.
- 09-06-2026Last modifiedVulnerability information updated.
Description
The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the user_subscription_cancel() function in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to cancel any user's subscription pack, including administrators.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
Increase +0.11 pp
From 0.15% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wedevs1 product
- user frontend: ai powered frontend posting, user directory, profile, membership & user registration≤ 4.3.2
Wordpress1 product
- wp-user-frontend≤ 4.3.2 (fixed in 4.3.3)
2 vendors · 2 products