CVE-2024-8853: The Webo-facto plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 1.

Q: How do I fix CVE-2024-8853?

webo-facto: upgrade to 1.41. Exact commands for each OS are on this page.

Q: Is CVE-2024-8853 being exploited?

CVE-2024-8853 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-8853 affect?

CVE-2024-8853 affects webo-facto. Severity is critical (CVSS 9.8). 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 t

Q: How urgent is CVE-2024-8853?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-8853 is a critical-severity flaw (CVSS 9.8) affecting webo-facto. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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'.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-269
Published	2024-09-20
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: medialibs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-20 08:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

medialibs webo-facto UPGRADE

Affected: < 1.41

Fixed in: 1.41

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy webo-facto || rpm -q webo-facto || webo-facto --version

2. UPGRADE to 1.41 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade webo-facto

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webo-facto

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-8853?

webo-facto: upgrade to 1.41. Exact commands for each OS are on this page.

Is CVE-2024-8853 being exploited?

CVE-2024-8853 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-8853 affect?

CVE-2024-8853 affects webo-facto. Severity is critical (CVSS 9.8). 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 t

How urgent is CVE-2024-8853?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

References

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