Description

WordPress Plugin Easy FancyBox is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. WordPress Plugin Easy FancyBox version 1.8.17 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 1.8.18 or latest

References

https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190911-01_Easy_FancyBox_WP_Plugin_Stored_XSS

https://plugins.svn.wordpress.org/easy-fancybox/trunk/readme.txt

Related Vulnerabilities

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WordPress Plugin WP Smart Image II Cross-Site Scripting (0.2)

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WordPress URL Redirection to Untrusted Site ('Open Redirect') Vulnerability (CVE-2017-14725)

Severity

High

Classification

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update XSS CWE-79 CVE-2019-16524