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Vulnerability Intelligence

CVE-2021-39312

HighExploitedPublic exploit

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.

Published Dec 14, 2021 · Updated Jan 31, 2025 · Also known as 0ce8ed18-2164-4b5a-b1d3-fda8d348ebf9

Key Facts

Patch immediately
  • CVE-2021-39312 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting True Ranker (Trueranker), seo-local-rank (wordpress-plugin).
  • It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jun 3, 2025. Public exploit code is available.
  • EPSS estimates a 78% probability of exploitation in the next 30 days.
  • Fixed versions are available, including seo-local-rank 2.2.4, True Ranker <=2.2.2, True Ranker 2.2.2.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

78%

Higher than 99.5% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2021-39312 brief as a PDF

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Description

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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedJun 3, 2025n/aNot reported
CIRCL KEVJun 3, 2025n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
True RankerTrueranker>= 2.2.22.2.2
seo-local-rankwordpress-pluginSee advisory2.2.4

Patched Releases

seo-local-rank

2.2.4

True Ranker

<=2.2.2

Timeline

  1. Publicly disclosed

    Dec 14, 2021

  2. Last updated

    Jan 31, 2025

  3. Added to Industry KEV feed

    Jun 3, 2025

  4. Added to CIRCL KEV

    Jun 3, 2025

Weakness Type

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

11 more references in the full CVE brief

FAQ

Common Questions.

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