CVE-2024-8853
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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'.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.64% probability · 50th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- medialibs/webo-facto
- Source
- security@wordfence.com
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://plugins.trac.wordpress.org/browser/webo-facto-connector/tags/1.40/WeboFacto/Sso.php#L78Product
- https://plugins.trac.wordpress.org/changeset/3153062/webo-facto-connectorPatch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c1280ceb-9ce8-47fc-8fd3-6af80015dea9?source=cveThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.