CVE-2026-5748: Text Snippets <= 0.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'w' Shortcode Attribute

Severity: medium (CVSS 6.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-22 · updated 2026-06-17
Weakness: CWE-79

Description

The Text Snippets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `ts` shortcode in all versions up to, and including, 0.0.1 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.

Affected products

snedled Text Snippets: through 0.0.1

References

https://plugins.trac.wordpress.org/browser/text-snippet/tags/0.0.1/text-snippet.php#L78
https://plugins.trac.wordpress.org/browser/text-snippet/trunk/text-snippet.php#L78
https://www.wordfence.com/threat-intel/vulnerabilities/id/8cc7a0f3-6a58-4e42-9341-aecf55d2ccb1?source=cve

Get alerted when CVE-2026-5748 or the next vulnerability affects your stack