What’s Vulnerable › Vulnerabilities

CVE-2021-24792: Shiny Buttons <= 1.1.0 - Unauthenticated Stored Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-13 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• Shiny Buttons – CSS3 Button Generator for WordPress: through 1.1.0

References

• https://wpscan.com/vulnerability/29514d8e-9d1c-4fb6-b378-f6b7374989ca
• https://wpscan.com/vulnerability/29514d8e-9d1c-4fb6-b378-f6b7374989ca

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