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VulnerabilityPublished Updated

CVE-2026-87959: WPBot (WordPress plugin) · Improper Access Control

Affects WPBot (WordPress plugin)Source CVE Database V5

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Not known to be exploited · CVSS 5.4 Medium : upgrade to 8.7.6 when convenient.

Data as of 30 Oct 2026, 20:25 UTC

CVSS 3.1 base score
5.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 8.7.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade WPBot (WordPress plugin) to 8.7.6.

Affected software

ProductAffectedFixed in
WPBotAffected
  • >=8.7.2 <8.7.6
Fixed in
  • 8.7.6

AI-suggested

Upgrade the WPBot plugin to version 8.7.6 or later where this issue is fixed. Since the vulnerability is due to missing capability checks, applying the official update will restore proper access control. No other mitigation is indicated.

Description

CVE-2026-87959 is an improper access control vulnerability in the WPBot WordPress plugin versions 8.7.2 through 8.7.5. It allows users with subscriber-level access to overwrite the plugin's Claude AI provider settings, including the API key used for outgoing AI requests. This flaw exists because the plugin does not perform a capability check on the AJAX action that saves these settings.

References

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