What’s Vulnerable › Vulnerabilities

CVE-2025-13968: Starboard Suite Reservation Calendars <= 3.1.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-11 · updated 2026-09-29
• Weakness: CWE-79

Description

The Starboard Suite Reservation Calendars plugin for WordPress is vulnerable to Stored Cross-Site Scripting via shortcode attributes in the [starboard-suite-lightbox] shortcode in all versions up to, and including, 3.1.4 due to insufficient input sanitization and output escaping. 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

• starboardsuite Starboard Suite Reservation Calendars: through 3.1.4

References

• https://plugins.trac.wordpress.org/browser/starboard-suite-reservation-calendars/tags/3.0.0/starboard-suite.php#L64
• https://plugins.trac.wordpress.org/browser/starboard-suite-reservation-calendars/tags/3.0.0/starboard-suite.php#L78
• https://plugins.trac.wordpress.org/browser/starboard-suite-reservation-calendars/trunk/starboard-suite.php#L64
• https://plugins.trac.wordpress.org/browser/starboard-suite-reservation-calendars/trunk/starboard-suite.php#L78
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3551037%40starboard-suite-reservation-calendars&new=3551037%40starboard-suite-reservation-calendars
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6e8a3628-b7cf-4f1a-89dc-d7e58257b2e4?source=cve

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