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CVE-2021-39312: The True Ranker plugin <= 2.2.2 for WordPress allows arbitrary files, including sensitive configuration files

61
This week
HIGH 7.5REMOTEUPGRADE

CVE-2021-39312 is a high-severity flaw (CVSS 7.5) affecting true ranker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The True Ranker plugin <= 2.2.2 for WordPress allows arbitrary files, including sensitive configuration files such as wp-config.php, to be accessed via the src parameter found in the ~/admin/vendor/datatables/examples/resources/examples.php file.

Why this priority

  • High severity
  • EPSS top 1%: very likely to be exploited
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance77.9% (top 1%)
CISA exploited listNo
WeaknessCWE-22
Published2021-12-14
Last modified2026-06-17
Publisher (CNA): Wordfence · Vendor: trueranker

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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

trueranker true ranker UPGRADE
Affected: <= 2.2.2
Fixed in: newer than 2.2.2
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy true-ranker || rpm -q true-ranker || true-ranker --version
2. UPGRADE to newer than 2.2.2 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade true-ranker
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade true-ranker
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

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-2021-39312?

true ranker: upgrade to newer than 2.2.2. Exact commands for each OS are on this page.

Is CVE-2021-39312 being exploited?

CVE-2021-39312 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-2021-39312 affect?

CVE-2021-39312 affects true ranker. Severity is high (CVSS 7.5). The True Ranker plugin <= 2.2.2 for WordPress allows arbitrary files, including sensitive configuration files such as wp-config.php, to be accessed via the src parameter found in the ~/admin/vendor/datatables/examples/resources/examples.php

How urgent is CVE-2021-39312?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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