Shiny Buttons – CSS3 Button Generator for WordPress <= 1.1.0 - Unauthenticated Stored Cross-Site Scripting

2021-11-15 00:00

Vishal Mohan

Strategic Overview

Status

Unpatched

Affected PluginShiny Buttons – CSS3 Button Generator for WordPress

Affected Version<= 1.1.0

CVSS7.2High

CVECVE-2021-24792

View all Shiny Buttons – CSS3 Button Generator for WordPress vulnerabilities

Vulnerability Overview

The Shiny Buttons WordPress plugin through 1.1.0 does not have any authorisation and CSRF in place when saving a template (wpbtn_save_template function hooked to the init action), nor sanitise and escape them before outputting them in the admin dashboard, which allow unauthenticated users to add a malicious template and lead to Stored Cross-Site Scripting issues.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24792 https://www.wordfence.com/threat-intel/vulnerabilities/id/d57e4c3b-6e0d-40d5-bcf3-10af797d2f1b

CVSS Vector

7.2

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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