CVE-2026-16259
Last modified
CVE-2026-16259 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Uix UserCenter | <= 1.0.3 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-16259?
How severe is CVE-2026-16259?
How do I fix CVE-2026-16259?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-16252A security flaw has been discovered in Beijing Shenzhou Shih…7.3
- CVE-2026-16253The Total Upkeep WordPress plugin before 1.17.3 does not ad…7.5
- CVE-2026-16254A flaw was found in claircore's apk package scanner. Malform…4.3
- CVE-2026-16256The POUCO Import Users WordPress plugin through 1.0.0 does n…9.8
- CVE-2026-16257The Arvow AI SEO Writer WordPress plugin before 1.5.4 does n…8.2
- CVE-2026-16258The Ajax Search Lite WordPress plugin before 4.14.5 does no…9.8
- CVE-2026-1626An attacker may exploit the use of weak CBC-based cipher sui…9.1
- CVE-2026-16260The Post Grid, Slider & Carousel Ultimate WordPress plugin …6.8
- CVE-2026-16261The login-social WordPress plugin through 1.0.4 does not val…7.5
- CVE-2026-16262The Estatik Real Estate Plugin WordPress plugin before 4.3.3…7.5
- CVE-2026-16263The WP Maps WordPress plugin before 4.9.7 does not perform …8.8
- CVE-2026-16265The WP Maps WordPress plugin before 4.9.7 does not perform …6.5
Are you affected by CVE-2026-16259?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST