CVE-2021-24280: In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscri

Q: How do I fix CVE-2021-24280?

redirection for contact form 7: upgrade to 2.3.4. Exact commands for each OS are on this page.

Q: Is CVE-2021-24280 being exploited?

CVE-2021-24280 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-2021-24280 affect?

CVE-2021-24280 affects redirection for contact form 7. Severity is high (CVSS 8.8). In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the import_from_debug AJAX action to inject PHP objects.

Q: How urgent is CVE-2021-24280?

Priority 56/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2021-24280 is a high-severity flaw (CVSS 8.8) affecting redirection for contact form 7. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the import_from_debug AJAX action to inject PHP objects.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Weakness	CWE-502
Published	2021-05-14
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: querysol

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

Am I affected?

Timeline

2021-05-14 12:15 UTCPublished CVE record published
2026-06-17 03:39 UTCUpdated Record last modified

querysol redirection for contact form 7 UPGRADE

Affected: < 2.3.4

Fixed in: 2.3.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy redirection-for-contact-form-7 || rpm -q redirection-for-contact-form-7 || redirection-for-contact-form-7 --version

2. UPGRADE to 2.3.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade redirection-for-contact-form-7

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade redirection-for-contact-form-7

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-2021-24280?

redirection for contact form 7: upgrade to 2.3.4. Exact commands for each OS are on this page.

Is CVE-2021-24280 being exploited?

CVE-2021-24280 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-2021-24280 affect?

CVE-2021-24280 affects redirection for contact form 7. Severity is high (CVSS 8.8). In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the import_from_debug AJAX action to inject PHP objects.

How urgent is CVE-2021-24280?

Priority 56/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2022-0250 MEDIUM 6.1 UPGRADE The Redirection for Contact Form 7 WordPress plugin before 2.5.0 does not escape a link generated before outpu
CVE-2021-36913 HIGH 7.5 UPGRADE Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7
CVE-2021-24282 MEDIUM 6.3 UPGRADE In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscri
CVE-2021-24281 MEDIUM 4.3 UPGRADE In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscri
CVE-2021-24279 MEDIUM 6.5 UPGRADE In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, low level users, such as subscribers, cou

References

← Back to latest CVEs