CVE-2019-16524

Name: CVE-2019-16524
Creator: NVD / NIST
Published: 2019-09-26T16:15:11.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.02%

Last modified Jun 17, 2026

CVE-2019-16524 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.02%

59.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Status301	Easy Fancybox	< 1.8.18

References

https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190911-01_Easy_FancyBox_WP_Plugin_Stored_XSSExploit, Third Party Advisory
https://wordpress.org/plugins/easy-fancybox/#developersProduct, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9891Exploit, Third Party Advisory
https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190911-01_Easy_FancyBox_WP_Plugin_Stored_XSSExploit, Third Party Advisory
https://wordpress.org/plugins/easy-fancybox/#developersProduct, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9891Exploit, Third Party Advisory

Timeline

Published: Sep 26, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16524?

How severe is CVE-2019-16524?

CVE-2019-16524 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16524?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16524?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST