CVE-2021-24586: The Per page add to head WordPress plugin before 1.4.4 is lacking any CSRF check when saving its settings, whi

Q: How do I fix CVE-2021-24586?

per page add to head: upgrade to 1.4.4. Exact commands for each OS are on this page.

Q: Is CVE-2021-24586 being exploited?

CVE-2021-24586 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-2021-24586 affect?

CVE-2021-24586 affects per page add to head. Severity is medium (CVSS 4.3). The Per page add to head WordPress plugin before 1.4.4 is lacking any CSRF check when saving its settings, which could allow attackers to make a logged in admin change them. Furthermore, as the plugin allows arbitrary HTML to be inserted in

Q: How urgent is CVE-2021-24586?

Priority 30/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2021-24586 is a medium-severity flaw (CVSS 4.3) affecting per page add to head. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Per page add to head WordPress plugin before 1.4.4 is lacking any CSRF check when saving its settings, which could allow attackers to make a logged in admin change them. Furthermore, as the plugin allows arbitrary HTML to be inserted in one of the setting (feature mentioned by the plugin), this could lead to Stored XSS issue which will be triggered either in the backend, frontend or both depending on the payload used.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79, CWE-352
Published	2021-09-13
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: evona

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

Am I affected?

Timeline

2021-09-13 18:15 UTCPublished CVE record published
2026-06-17 03:40 UTCUpdated Record last modified

evona per page add to head UPGRADE

Affected: < 1.4.4

Fixed in: 1.4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy per-page-add-to-head || rpm -q per-page-add-to-head || per-page-add-to-head --version

2. UPGRADE to 1.4.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade per-page-add-to-head

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade per-page-add-to-head

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-2021-24586?

per page add to head: upgrade to 1.4.4. Exact commands for each OS are on this page.

Is CVE-2021-24586 being exploited?

CVE-2021-24586 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-2021-24586 affect?

CVE-2021-24586 affects per page add to head. Severity is medium (CVSS 4.3). The Per page add to head WordPress plugin before 1.4.4 is lacking any CSRF check when saving its settings, which could allow attackers to make a logged in admin change them. Furthermore, as the plugin allows arbitrary HTML to be inserted in

How urgent is CVE-2021-24586?

Priority 30/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2021-24619 MEDIUM 4.8 UPGRADE The Per page add to head WordPress plugin through 1.4.4 does not properly sanitise one of its setting, allowin

References

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