CVE-2026-25399
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Missing Authorization in Serious Slider Plugin Allows Unauthorized Access

Publication date: 2026-02-19

Last updated on: 2026-02-19

Assigner: Patchstack

Description
Missing Authorization vulnerability in CryoutCreations Serious Slider cryout-serious-slider allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Serious Slider: from n/a through <= 1.2.7.
CVSS Scores
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Meta Information
Published
2026-02-19
Last Modified
2026-02-19
Generated
2026-06-16
AI Q&A
2026-02-19
EPSS Evaluated
2026-06-14
NVD
CVE-2026-25399
EUVD
EUVD-2026-8205
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
cryoutcreations serious_slider From 1.0.0 (inc) to 1.2.7 (inc)
cryoutcreations serious_slider to 1.2.7 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
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Executive Summary

CVE-2026-25399 is a Broken Access Control vulnerability in the WordPress Serious Slider Plugin versions up to and including 1.2.7.

The vulnerability arises from missing authorization, authentication, or nonce token checks within certain plugin functions.

This flaw potentially allows unprivileged users, such as those with Subscriber-level privileges, to perform actions that should be restricted to higher-privileged users like developers.

It is classified under the OWASP Top 10 category A1: Broken Access Control.

Impact Analysis

This vulnerability can allow users with low-level privileges to execute actions reserved for higher-privileged users, potentially leading to unauthorized changes or control within the WordPress Serious Slider plugin.

However, the impact is considered low severity with a CVSS score of 4.3 and is unlikely to be exploited.

No official patch is currently available, but mitigation services are offered by Patchstack.

Compliance Impact

I don't know

Detection Guidance

This vulnerability involves missing authorization checks in the Serious Slider WordPress plugin, allowing unprivileged users to perform restricted actions. Detection would involve checking for unauthorized access attempts or privilege escalation activities related to this plugin.

Since the vulnerability is within a WordPress plugin, detection can include reviewing web server logs for suspicious requests targeting Serious Slider plugin endpoints or functions.

No specific commands or automated detection scripts are provided in the available information.

Mitigation Strategies

As no official patch or fixed plugin version is currently available, immediate mitigation steps include restricting access to the Serious Slider plugin functions to trusted users only.

Limit Subscriber-level user privileges and monitor for any unusual activity related to the plugin.

Consider disabling or uninstalling the Serious Slider plugin until a patch is released.

Utilize any available mitigation services offered by Patchstack to reduce risk.

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