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CVE-2021-24790: The Contact Form Advanced Database WordPress plugin through 1.0.8 does not have any authorisation as well as C

28
Routine
MEDIUM 4.3UPGRADE

CVE-2021-24790 is a medium-severity flaw (CVSS 4.3) affecting contact form advanced database. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Contact Form Advanced Database WordPress plugin through 1.0.8 does not have any authorisation as well as CSRF checks in its delete_cf7_data and export_cf7_data AJAX actions, available to any authenticated users, which could allow users with a role as low as subscriber to call them. The delete_cf7_data would lead to arbitrary metadata deletion, as well as PHP Object Injection if a suitable gadget chain is present in another plugin, as user dat

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score4.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.4% (top 68%)
CISA exploited listNo
WeaknessCWE-862, CWE-352
Published2021-12-13
Last modified2026-06-17
Publisher (CNA): WPScan · Vendor: contact form advanced database project

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

Am I affected?

Timeline

contact form advanced database project contact form advanced database UPGRADE
Affected: <= 1.0.8
Fixed in: newer than 1.0.8
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy contact-form-advanced-database || rpm -q contact-form-advanced-database || contact-form-advanced-database --version
2. UPGRADE to newer than 1.0.8 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade contact-form-advanced-database
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade contact-form-advanced-database
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-2021-24790?

contact form advanced database: upgrade to newer than 1.0.8. Exact commands for each OS are on this page.

Is CVE-2021-24790 being exploited?

CVE-2021-24790 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-2021-24790 affect?

CVE-2021-24790 affects contact form advanced database. Severity is medium (CVSS 4.3). The Contact Form Advanced Database WordPress plugin through 1.0.8 does not have any authorisation as well as CSRF checks in its delete_cf7_data and export_cf7_data AJAX actions, available to any authenticated users, which could allow users

How urgent is CVE-2021-24790?

Priority 28/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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