CVE-2025-13907

MEDIUM 6.4

CSS3 Buttons <= 0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

The CSS3 Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'button' shortcode in all versions up to, and including, 0.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE	CWE-79
Vendor	tunilame
Product	css3 buttons
Published	Dec 6, 2025
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

tunilame / CSS3 Buttons

0 ≤ 0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/c1f71ffb-f09c-40f6-b65e-af30ce155466?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/css3-buttons/trunk/css3-buttons.php#L59 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/css3-buttons/tags/0.1/css3-buttons.php#L59

Credits

Gilang Asra Bilhadi