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CVE-2021-24783: The Post Expirator WordPress plugin before 2.6.0 does not have proper capability checks in place, which could

42
This month
MEDIUM 6.5UPGRADE

CVE-2021-24783 is a medium-severity flaw (CVSS 6.5) affecting post expirator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Post Expirator WordPress plugin before 2.6.0 does not have proper capability checks in place, which could allow users with a role as low as Contributor to schedule deletion of arbitrary posts.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.5 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.8% (top 43%)
CISA exploited listNo
WeaknessCWE-863
Published2021-11-08
Last modified2026-06-17
Publisher (CNA): WPScan · Vendor: publishpress

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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

publishpress post expirator 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 post-expirator || rpm -q post-expirator || post-expirator --version
2. UPGRADE to 2.6.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade post-expirator
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade post-expirator
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-2021-24783?

post expirator: upgrade to 2.6.0. Exact commands for each OS are on this page.

Is CVE-2021-24783 being exploited?

CVE-2021-24783 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-2021-24783 affect?

CVE-2021-24783 affects post expirator. Severity is medium (CVSS 6.5). The Post Expirator WordPress plugin before 2.6.0 does not have proper capability checks in place, which could allow users with a role as low as Contributor to schedule deletion of arbitrary posts.

How urgent is CVE-2021-24783?

Priority 42/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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