CVE-2021-24883: Popup Anything < 2.0.4 - Contributor+ Stored Cross-Site Scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-29 · updated 2026-06-17
Weakness: CWE-79

Description

The Popup Anything WordPress plugin before 2.0.4 does not escape the Link Text and Button Text fields of Popup, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks

Affected products

Popup Anything – A Marketing Popup and Lead Generation Conversions: before 2.0.4 — fixed in 2.0.4

How to fix

Upgrade to a fixed version: Popup Anything – A Marketing Popup and Lead Generation Conversions 2.0.4. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2610975
https://wpscan.com/vulnerability/c5dd3812-ea20-4e05-a5d3-84830b452822
https://www.fortiguard.com/zeroday/FG-VD-21-069
https://plugins.trac.wordpress.org/changeset/2610975
https://wpscan.com/vulnerability/c5dd3812-ea20-4e05-a5d3-84830b452822
https://www.fortiguard.com/zeroday/FG-VD-21-069

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