MediumVulnerabilityLLM-specific

CVE-2026-87959: WPBot WordPress plugin missing capability check on AJAX action

Source: NVD(opens in a new tab)
Identifier: CVE-2026-87959
Published: September 16, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.2%

Summary

The WPBot WordPress plugin before 8.7.6 lacks a capability check on the AJAX action that saves its Claude AI provider settings. Users with subscriber-level access can therefore overwrite those settings, including the API key used for the plugin's outgoing AI requests.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

EPSS: 0.2%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.
Disclosure date: September 16, 2026

Affected

Vendors: Anthropic

Classification

Attack type: Other
Attack sophistication: Trivial
AI component targeted: API
Impact: Confidentiality,
Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-87959

First tracked: September 16, 2026 at 08:08 AM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 85% (self-assessed)

Summary

Mitigation

Related items