CVE-2024-8420: The DHVC Form plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including,

Q: How do I fix CVE-2024-8420?

dhvc form: upgrade to 2.4.8. Exact commands for each OS are on this page.

Q: Is CVE-2024-8420 being exploited?

CVE-2024-8420 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-2024-8420 affect?

CVE-2024-8420 affects dhvc form. Severity is critical (CVSS 9.8). The DHVC Form plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 2.4.7. This is due to the plugin allowing a user to supply the 'role' field when registering. This makes it possible for unauthen

Q: How urgent is CVE-2024-8420?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-8420 is a critical-severity flaw (CVSS 9.8) affecting dhvc form. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The DHVC Form plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 2.4.7. This is due to the plugin allowing a user to supply the 'role' field when registering. This makes it possible for unauthenticated attackers to register as an administrator on sites.

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	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-266, CWE-269
Published	2025-02-28
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: sitesao

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

Am I affected?

Timeline

2025-02-28 09:15 UTCPublished CVE record published
2026-06-17 08:22 UTCUpdated Record last modified

sitesao dhvc form UPGRADE

Affected: < 2.4.8

Fixed in: 2.4.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dhvc-form || rpm -q dhvc-form || dhvc-form --version

2. UPGRADE to 2.4.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dhvc-form

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dhvc-form

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-2024-8420?

dhvc form: upgrade to 2.4.8. Exact commands for each OS are on this page.

Is CVE-2024-8420 being exploited?

CVE-2024-8420 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-2024-8420 affect?

CVE-2024-8420 affects dhvc form. Severity is critical (CVSS 9.8). The DHVC Form plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 2.4.7. This is due to the plugin allowing a user to supply the 'role' field when registering. This makes it possible for unauthen

How urgent is CVE-2024-8420?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

References

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