User Verification by PickPlugins: Improper Authentication
CVE-2026-76792 is a high-severity improper authentication vulnerability in User Verification by PickPlugins, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 2.0.49 as the first without the flaw, so updating User Verification by PickPlugins to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.23% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update User Verification by PickPlugins to 2.0.49 or a later version.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| User Verification by PickPlugins | User Verification by PickPlugins | 2.0.38 up to, but not including, 2.0.49 | 2.0.49 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CISA (ADP).
Official description
The User Verification by PickPlugins WordPress plugin before 2.0.49 does not rate limit the verification step of its one-time-password login, and does not expire the generated code, allowing unauthenticated attackers to brute force it and log in as any user, including administrators, where the code is configured to use digits only.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How developers prevent this class of flaw
- Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
References
Other references
Other vulnerabilities in User Verification by PickPlugins
- 7.5 High severity
Recent Improper Authentication vulnerabilities
- 7.1 High severity
- 7.5 High severity
- 9.8 Critical severity
- 7.3 High severity
- 8.2 High severity
- 9.1 Critical severity
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