CVE-2021-39312

HIGHNVD 7.58.8▲
EchelonGraph scoreHIGH confidence

Score elevated to 8.8 because EPSS predicts 78% probability of exploitation within the next 30 days (top 0.5% of all CVEs). NVD baseline CVSS 7.5 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, nvd
Elevated
7.5
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 78%
CISA-KEV: Not listedEPSS: 78%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.5
EG Score
8.8(high)
EG Risk
86(Track)
EG Risk 86/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation78% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
99.5%
KEV
Not listed

Published

December 14, 2021

Last Modified

November 21, 2024

References (6)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-24 14:15 UTCEPSS rescore
  2. 2026-07-23 02:03 UTCEG score recompute▲ 1.30
  3. 2026-07-22 22:50 UTCEG score recompute▼ 1.50
  4. 2026-07-22 14:06 UTCEPSS rescore
  5. 2026-07-21 15:22 UTCEPSS rescore
  6. 2026-07-21 15:22 UTCEPSS rescore
  7. 2026-07-16 17:00 UTCEPSS rescore
  8. 2026-07-16 17:00 UTCEPSS rescore
  9. 2026-07-15 16:55 UTCEPSS rescore
  10. 2026-07-15 16:55 UTCEPSS rescore
  11. 2026-07-13 22:27 UTCEPSS rescore
  12. 2026-07-13 22:27 UTCEPSS rescore
  13. 2026-07-11 08:25 UTCEPSS rescore
  14. 2026-07-11 08:25 UTCEPSS rescore
  15. 2026-07-08 15:12 UTCEPSS rescore
  16. 2026-07-02 16:57 UTCEPSS rescore
  17. 2026-06-30 23:20 UTCEPSS rescore
  18. 2026-06-30 23:20 UTCEPSS rescore
  19. 2026-06-27 03:06 UTCEPSS rescore
  20. 2026-06-27 03:06 UTCEPSS rescore
  21. 2026-06-25 13:48 UTCEPSS rescore
  22. 2026-06-25 13:48 UTCEPSS rescore
  23. 2026-06-23 21:31 UTCEPSS rescore
  24. 2026-06-23 21:31 UTCEPSS rescore
  25. 2026-06-22 14:24 UTCEPSS rescore
Show 31 more
  1. 2026-06-22 14:24 UTCEPSS rescore
  2. 2026-06-21 14:55 UTCEPSS rescore
  3. 2026-06-17 17:51 UTCEPSS rescore
  4. 2026-06-16 17:51 UTCEPSS rescore
  5. 2026-06-16 17:51 UTCEPSS rescore
  6. 2026-06-15 17:46 UTCEPSS rescore
  7. 2026-06-14 23:15 UTCEPSS rescore
  8. 2026-06-13 22:58 UTCEPSS rescore
  9. 2026-06-13 22:58 UTCEPSS rescore
  10. 2026-06-12 23:10 UTCEPSS rescore
  11. 2026-06-12 23:10 UTCEPSS rescore
  12. 2026-06-11 13:58 UTCEPSS rescore
  13. 2026-06-10 22:16 UTCEPSS rescore
  14. 2026-06-08 14:15 UTCEPSS rescore
  15. 2026-06-08 14:15 UTCEPSS rescore
  16. 2026-06-07 15:23 UTCEPSS rescore
  17. 2026-06-07 15:23 UTCEPSS rescore
  18. 2026-06-06 13:46 UTCEPSS rescore
  19. 2026-06-06 13:46 UTCEPSS rescore
  20. 2026-06-06 13:46 UTCEPSS rescore
  21. 2026-06-05 22:45 UTCEPSS rescore
  22. 2026-06-02 20:11 UTCEPSS rescore
  23. 2026-06-02 20:11 UTCEPSS rescore
  24. 2026-06-01 13:50 UTCEPSS rescore
  25. 2026-06-01 13:50 UTCEPSS rescore
  26. 2026-05-31 00:15 UTCEPSS rescore
  27. 2026-05-31 00:15 UTCEPSS rescore
  28. 2026-05-28 13:43 UTCEPSS rescore
  29. 2026-05-28 13:43 UTCEPSS rescore
  30. 2026-05-26 06:26 UTCEG score recompute
  31. 2026-05-26 06:26 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-50624
    First seen Jan 5, 2022

    WordPress Plugin The True Ranker 2.2.2 - Arbitrary File Read (Unauthenticated)

    Open source ↗
  • Nucleihttp/cves/2021/CVE-2021-39312.yaml
    First seen Jan 1, 2021

    WordPress True Ranker <2.2.4 - Local File Inclusion

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-39312?
CVE-2021-39312 is a high vulnerability published on December 14, 2021. 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.
When was CVE-2021-39312 disclosed?
CVE-2021-39312 was first published in the National Vulnerability Database on December 14, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-39312 actively exploited?
CVE-2021-39312 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-39312?
CVE-2021-39312 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.
How do I remediate CVE-2021-39312?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-39312, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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