DELUCKS SEO CVE-2025-49376
MEDIUMSeverity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Network attack, unauthenticated, low complexity; only integrity impact due to limited data modification capability.
Primary rating from NVD.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionCVE.org
Missing Authorization vulnerability in DELUCKS DELUCKS SEO delucks-seo allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects DELUCKS SEO: from n/a through <= 2.5.9.
AnalysisAI
Unauthorized functionality modification in DELUCKS SEO WordPress plugin versions 2.5.9 and below allows unauthenticated attackers to alter plugin data due to missing access controls. No active exploitation or public exploit code has been identified, and EPSS indicates a low exploitation probability despite the network‑accessible attack vector.
Technical ContextAI
The vulnerability arises from CWE‑862: Missing Authorization, where the plugin fails to enforce proper capability checks before processing requests to certain endpoints. As a WordPress plugin (slug: delucks‑seo) this flaw exposes a function intended for authenticated users without verifying user permissions, enabling unauthenticated access to restricted operations that should be protected by ACLs.
Affected ProductsAI
DELUCKS SEO plugin for WordPress (slug: delucks‑seo) versions up to and including 2.5.9 are affected. Further details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/delucks-seo/vulnerability/wordpress-delucks-seo-plugin-2-5-9-broken-access-control-vulnerability?_s_id=cve.
RemediationAI
Update the DELUCKS SEO plugin to the latest available version, which contains a fix for this missing authorization. The exact patched version is not explicitly stated in the advisory, but upgrading to any release beyond 2.5.9 should resolve the issue. If immediate update is impossible, disabling the plugin temporarily will eliminate the exposure, though it removes SEO functionality.
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today