CVE-2019-6715

HIGHNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because EPSS predicts 92% probability of exploitation within the next 30 days (top 0.3% of all CVEs). NVD baseline CVSS 7.5 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Elevated
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 19%CVSS: 7.5Exploit: NoneExposed: 0

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

pub/sns.php in the W3 Total Cache plugin before 0.9.4 for WordPress allows remote attackers to read arbitrary files via the SubscribeURL field in SubscriptionConfirmation JSON data.

CVSS v3
7.5
EG Score
9.0(high)
EPSS
97.0%
KEV
Not listed

Published

April 1, 2019

Last Modified

November 21, 2024

References (4)

Data Freshness Timeline

(refreshed 7× in last 7d / 32× 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. 2026-07-06 16:25 UTCEPSS rescore
  2. 2026-07-06 16:25 UTCEPSS rescore
  3. 2026-07-06 02:20 UTCEPSS rescore
  4. 2026-07-06 02:20 UTCEPSS rescore
  5. 2026-07-04 06:28 UTCEPSS rescore
  6. 2026-07-01 15:03 UTCEPSS rescore
  7. 2026-07-01 15:03 UTCEPSS rescore
  8. 2026-06-28 14:04 UTCEPSS rescore
  9. 2026-06-28 04:54 UTCEPSS rescore
  10. 2026-06-28 04:54 UTCEPSS rescore
  11. 2026-06-27 03:06 UTCEPSS rescore
  12. 2026-06-25 13:47 UTCEPSS rescore
  13. 2026-06-25 13:47 UTCEPSS rescore
  14. 2026-06-24 14:03 UTCEPSS rescore
  15. 2026-06-24 14:03 UTCEPSS rescore
  16. 2026-06-23 21:31 UTCEPSS rescore
  17. 2026-06-23 21:31 UTCEPSS rescore
  18. 2026-06-22 14:23 UTCEPSS rescore
  19. 2026-06-22 14:23 UTCEPSS rescore
  20. 2026-06-21 14:54 UTCEPSS rescore
  21. 2026-06-21 14:54 UTCEPSS rescore
  22. 2026-06-21 01:57 UTCEPSS rescore
  23. 2026-06-21 01:57 UTCEPSS rescore
  24. 2026-06-19 19:23 UTCEPSS rescore
  25. 2026-06-19 19:23 UTCEPSS rescore
Show 19 more
  1. 2026-06-18 17:50 UTCEPSS rescore
  2. 2026-06-18 17:50 UTCEPSS rescore
  3. 2026-06-17 17:50 UTCEPSS rescore
  4. 2026-06-16 17:50 UTCEPSS rescore
  5. 2026-06-15 17:46 UTCEPSS rescore
  6. 2026-06-10 22:16 UTCEPSS rescore
  7. 2026-06-10 22:16 UTCEPSS rescore
  8. 2026-06-06 13:45 UTCEPSS rescore
  9. 2026-06-06 13:45 UTCEPSS rescore
  10. 2026-06-05 22:45 UTCEPSS rescore
  11. 2026-06-02 20:11 UTCEPSS rescore
  12. 2026-06-02 20:11 UTCEPSS rescore
  13. 2026-05-29 13:42 UTCEPSS rescore
  14. 2026-05-27 21:12 UTCEG score recompute
  15. 2026-05-27 21:12 UTCGHSA enrichment
  16. 2026-05-27 13:39 UTCEPSS rescore
  17. 2026-05-27 13:38 UTCEPSS rescore
  18. 2026-05-26 13:42 UTCEPSS rescore
  19. 2026-05-25 08:16 UTCOSV refresh

Publicly available exploits

(2 references)

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

  • GitHub PoCrandom-robbie/cve-2019-6715
    First seen Nov 12, 2019
    Open source ↗
  • Nucleihttp/cves/2019/CVE-2019-6715.yaml
    First seen Jan 1, 2019

    W3 Total Cache 0.9.2.6-0.9.3 - Unauthenticated File Read / Directory Traversal

    Open source ↗

Frequently asked(5)

What is CVE-2019-6715?
CVE-2019-6715 is a high vulnerability published on April 1, 2019. pub/sns.php in the W3 Total Cache plugin before 0.9.4 for WordPress allows remote attackers to read arbitrary files via the SubscribeURL field in SubscriptionConfirmation JSON data.
When was CVE-2019-6715 disclosed?
CVE-2019-6715 was first published in the National Vulnerability Database on April 1, 2019, 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-2019-6715 actively exploited?
CVE-2019-6715 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-6715?
CVE-2019-6715 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
How do I remediate CVE-2019-6715?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-6715, 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.

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