CVE-2021-24466: The Verse-O-Matic WordPress plugin through 4.1.1 does not have any CSRF checks in place, allowing attackers to

Q: How do I fix CVE-2021-24466?

verse-o-matic: upgrade to newer than 4.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-24466 being exploited?

CVE-2021-24466 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-2021-24466 affect?

CVE-2021-24466 affects verse-o-matic. Severity is medium (CVSS 6.1). The Verse-O-Matic WordPress plugin through 4.1.1 does not have any CSRF checks in place, allowing attackers to make logged in administrators do unwanted actions, such as add/edit/delete arbitrary verses and change the settings. Due to the l

Q: How urgent is CVE-2021-24466?

Priority 35/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2021-24466 is a medium-severity flaw (CVSS 6.1) affecting verse-o-matic. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Verse-O-Matic WordPress plugin through 4.1.1 does not have any CSRF checks in place, allowing attackers to make logged in administrators do unwanted actions, such as add/edit/delete arbitrary verses and change the settings. Due to the lack of sanitisation in the settings and verses, this could also lead to Stored Cross-Site Scripting issues

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 65%)
CISA exploited list	No
Weakness	CWE-79, CWE-352
Published	2021-08-16
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: verse-o-matic project

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

Am I affected?

Timeline

2021-08-16 11:15 UTCPublished CVE record published
2026-06-17 03:40 UTCUpdated Record last modified

verse-o-matic project verse-o-matic UPGRADE

Affected: <= 4.1.1

Fixed in: newer than 4.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy verse-o-matic || rpm -q verse-o-matic || verse-o-matic --version

2. UPGRADE to newer than 4.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade verse-o-matic

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade verse-o-matic

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-2021-24466?

verse-o-matic: upgrade to newer than 4.1.1. Exact commands for each OS are on this page.

Is CVE-2021-24466 being exploited?

CVE-2021-24466 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-2021-24466 affect?

CVE-2021-24466 affects verse-o-matic. Severity is medium (CVSS 6.1). The Verse-O-Matic WordPress plugin through 4.1.1 does not have any CSRF checks in place, allowing attackers to make logged in administrators do unwanted actions, such as add/edit/delete arbitrary verses and change the settings. Due to the l

How urgent is CVE-2021-24466?

Priority 35/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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