What’s Vulnerable › Vulnerabilities

CVE-2023-5076: Ziteboard Online Whiteboard <= 2.9.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via ziteboard Shortcode

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-07 · updated 2026-06-17
• Weakness: CWE-79

Description

The Ziteboard Online Whiteboard plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'ziteboard' shortcode in versions up to, and including, 2.9.9 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

• Ziteboard Online Whiteboard: through 2.9.9

References

• https://plugins.trac.wordpress.org/changeset/2988896/ziteboard-online-whiteboard
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f5608f50-e17a-471f-b644-dceb64d82f0c?source=cve
• https://plugins.trac.wordpress.org/changeset/2988896/ziteboard-online-whiteboard
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f5608f50-e17a-471f-b644-dceb64d82f0c?source=cve

Get alerted when CVE-2023-5076 or the next vulnerability affects your stack