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CVE-2026-8905

Cross-Site Request Forgery (CSRF): is CVE-2026-8905real, exploitable, or a false positive? Here's the community verdict.

Medium · CVSS 6.1EPSS 0.1%CWE-352 · Cross-Site Request Forgery (CSRF)

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

The Osiris Signature Banner plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 0.5. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and 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.

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TruePositive verdict for CVE-2026-8905
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    Same weakness: CWE-352 · Cross-Site Request Forgery (CSRF).