CVE-2023-4962: Video PopUp <= 1.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 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: 2024-01-11 · updated 2026-06-17
Weakness: CWE-79

Description

The Video PopUp plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'video_popup' shortcode in versions up to, and including, 1.1.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

alobaidi Video PopUp: through 1.1.3

References

https://plugins.trac.wordpress.org/browser/video-popup/trunk/features/shortcode.php?rev=2928708#L144
https://plugins.trac.wordpress.org/changeset/3004434/video-popup
https://www.wordfence.com/threat-intel/vulnerabilities/id/670ea03e-2f76-48a4-9f40-bc4cfd987a89?source=cve
https://plugins.trac.wordpress.org/browser/video-popup/trunk/features/shortcode.php?rev=2928708#L144
https://plugins.trac.wordpress.org/changeset/3004434/video-popup
https://www.wordfence.com/threat-intel/vulnerabilities/id/670ea03e-2f76-48a4-9f40-bc4cfd987a89?source=cve

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