What’s Vulnerable › Vulnerabilities

CVE-2019-16524

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-26 · updated 2026-06-17
• Weakness: CWE-79

Description

The easy-fancybox plugin before 1.8.18 for WordPress (aka Easy FancyBox) is susceptible to Stored XSS in the Settings Menu inc/class-easyfancybox.php due to improper encoding of arbitrarily submitted settings parameters. This occurs because there is no inline styles output filter.

Affected products

• Status301 Easy Fancybox: before 1.8.18 — fixed in 1.8.18

How to fix

Upgrade to a fixed version: Status301 Easy Fancybox 1.8.18. Check the vendor advisory for mitigations.

References

• https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190911-01_Easy_FancyBox_WP_Plugin_Stored_XSS
• https://wordpress.org/plugins/easy-fancybox/#developers
• https://wpvulndb.com/vulnerabilities/9891
• https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190911-01_Easy_FancyBox_WP_Plugin_Stored_XSS
• https://wordpress.org/plugins/easy-fancybox/#developers
• https://wpvulndb.com/vulnerabilities/9891

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