CVE-2021-39312 (GCVE-0-2021-39312)

Vulnerability from cvelistv5 – Published: 2021-12-14 15:50 – Updated: 2025-01-31 18:59
VLAI Previdian
Title
True Ranker <= 2.2.2 Directory Traversal/Arbitrary File Read
Summary
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.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-31 18:58 UTC
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Impacted products
Vendor Product Version
True Ranker True Ranker Affected: 2.2.2 , ≤ 2.2.2 (custom)
Create a notification for this product.
Date Public
2021-12-13 00:00
Credits
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2021-39312

Status: Confirmed

Status Updated: 2026-01-04 01:00 CET

Exploited: Yes


Timestamps
First Seen: 2026-01-04
Asserted: 2026-01-04

Scope
Notes: True Ranker <= 2.2.2 Directory Traversal/Arbitrary File Read | Affected: True Ranker / True Ranker | CVSS: 7.5 (HIGH) | EPSS: 0.77944 | Used in malware: unknown | Not yet in CISA KEV: True

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian


Details
Feed Previdian (previdian.com)
Title True Ranker <= 2.2.2 Directory Traversal/Arbitrary File Read
Cve Id CVE-2021-39312
Vendor True Ranker
Ghsa Id None
Product True Ranker
Added Date 2026-01-04T00:00:00.000Z
Cvss Score 7.5
Epss Score 0.77944
Previous Ids
Cvss Severity HIGH
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.99561
Used In Malware unknown
Vulnerability Id CVE-2021-39312
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True

References

Created: 2026-10-02 09:09 CEST | Updated: 2026-10-02 09:09 CEST
Show details on NVD website

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              "ASSIGNER": "security@wordfence.com",
              "DATE_PUBLIC": "2021-12-13T12:43:00.000Z",
              "ID": "CVE-2021-39312",
              "STATE": "PUBLIC",
              "TITLE": "True Ranker \u003c= 2.2.2 Directory Traversal/Arbitrary File Read"
            },
            "affects": {
              "vendor": {
                "vendor_data": [
                  {
                    "product": {
                      "product_data": [
                        {
                          "product_name": "True Ranker",
                          "version": {
                            "version_data": [
                              {
                                "version_affected": "\u003c=",
                                "version_name": "2.2.2",
                                "version_value": "2.2.2"
                              }
                            ]
                          }
                        }
                      ]
                    },
                    "vendor_name": "True Ranker"
                  }
                ]
              }
            },
            "credit": [
              {
                "lang": "eng",
                "value": "p7e4"
              }
            ],
            "data_format": "MITRE",
            "data_type": "CVE",
            "data_version": "4.0",
            "description": {
              "description_data": [
                {
                  "lang": "eng",
                  "value": "The True Ranker plugin \u003c= 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."
                }
              ]
            },
            "generator": {
              "engine": "Vulnogram 0.0.9"
            },
            "impact": {
              "cvss": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              }
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
                    }
                  ]
                }
              ]
            },
            "references": {
              "reference_data": [
                {
                  "name": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39312",
                  "refsource": "MISC",
                  "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39312"
                },
                {
                  "name": "https://plugins.trac.wordpress.org/browser/seo-local-rank/tags/2.2.2/admin/vendor/datatables/examples/resources/examples.php",
                  "refsource": "MISC",
                  "url": "https://plugins.trac.wordpress.org/browser/seo-local-rank/tags/2.2.2/admin/vendor/datatables/examples/resources/examples.php"
                },
                {
                  "name": "http://packetstormsecurity.com/files/165434/WordPress-The-True-Ranker-2.2.2-Arbitrary-File-Read.html",
                  "refsource": "MISC",
                  "url": "http://packetstormsecurity.com/files/165434/WordPress-The-True-Ranker-2.2.2-Arbitrary-File-Read.html"
                }
              ]
            },
            "solution": [
              {
                "lang": "en",
                "value": "Update to version 2.2.4, or newer."
              }
            ],
            "source": {
              "discovery": "EXTERNAL"
            }
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "assignerShortName": "Wordfence",
        "cveId": "CVE-2021-39312",
        "datePublished": "2021-12-14T15:50:17.051Z",
        "dateReserved": "2021-08-20T00:00:00.000Z",
        "dateUpdated": "2025-01-31T18:59:02.895Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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