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CVE-2026-4091

The OPEN-BRAIN plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.5.0. This is due to missing nonce verification on the settings form in the func_page_main() function. This makes it possible for unauthenticated attackers to inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f5f994853e8834a9ac98b568649feeeeab79cb7b95d2d47306483a832d0df0fa
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"OPEN-BRAIN","vendor":"faridsaniee","versions":[{"lessThanOrEqual":"0.5.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":6.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-352","description":"CWE-352 Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/problemTypes/0/descriptions/0

Source references

9 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L237"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/8
{"url":"https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L252"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L253"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/browser/open-brain/tags/0.5.0/index.php#L272"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L237"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/7
{"url":"https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L252"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L253"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/open-brain/trunk/index.php#L272"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/1
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/93df6480-9bb1-4f5d-bb39-ff1a01d739cf?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3baa96539b896025ad02e337484ed8068d322fd116c143dad92dd793059c3807 · sha256:1a329932e3903f5e… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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