CVE-2021-36913: Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7

Q: How do I fix CVE-2021-36913?

redirection for contact form 7: upgrade to 2.6.0. Exact commands for each OS are on this page.

Q: Is CVE-2021-36913 being exploited?

CVE-2021-36913 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-2021-36913 affect?

CVE-2021-36913 affects redirection for contact form 7. Severity is high (CVSS 7.5). Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7 plugin <= 2.4.0 at WordPress allows attackers to change options and inject scripts into the footer HTML. Requires an additional ex

Q: How urgent is CVE-2021-36913?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2021-36913 is a high-severity flaw (CVSS 7.5) affecting redirection for contact form 7. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7 plugin <= 2.4.0 at WordPress allows attackers to change options and inject scripts into the footer HTML. Requires an additional extension (plugin) AccessiBe.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-284, CWE-74
Published	2022-10-11
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: redirection-for-contact-form7

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

Am I affected?

Timeline

2022-10-11 18:15 UTCPublished CVE record published
2026-06-17 03:59 UTCUpdated Record last modified

redirection-for-contact-form7 redirection for contact form 7 UPGRADE

Affected: < 2.6.0

Fixed in: 2.6.0

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 2.6.0 (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-2021-36913?

redirection for contact form 7: upgrade to 2.6.0. Exact commands for each OS are on this page.

Is CVE-2021-36913 being exploited?

CVE-2021-36913 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-2021-36913 affect?

CVE-2021-36913 affects redirection for contact form 7. Severity is high (CVSS 7.5). Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7 plugin <= 2.4.0 at WordPress allows attackers to change options and inject scripts into the footer HTML. Requires an additional ex

How urgent is CVE-2021-36913?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

Software pages

WordPress 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-2021-24282 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-2021-24280 HIGH 8.8 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

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