CVE-2023-6559

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 1.3%, top 32% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

The MW WP Form plugin for WordPress is vulnerable to arbitrary file deletion in all versions up to, and including, 5.0.3. This is due to the plugin not properly validating the path of an uploaded file prior to deleting it. This makes it possible for unauthenticated attackers to delete arbitrary files, including the wp-config.php file, which can make site takeover and remote code execution possible.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
68%
KEV
Not listed

Published

December 16, 2023

Last Modified

June 17, 2026

References (4)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 41× 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.

Showing the most recent 100 of 117 total refreshes for this CVE.

  1. 2026-07-30 16:26 UTCEPSS rescore
  2. 2026-07-30 01:29 UTCEPSS rescore
  3. 2026-07-28 15:34 UTCEPSS rescore
  4. 2026-07-28 15:34 UTCEPSS rescore
  5. 2026-07-26 14:53 UTCEPSS rescore
  6. 2026-07-25 14:16 UTCEPSS rescore
  7. 2026-07-24 14:16 UTCEPSS rescore
  8. 2026-07-23 14:16 UTCEPSS rescore
  9. 2026-07-23 02:30 UTCEG score recompute
  10. 2026-07-22 23:17 UTCEG score recompute▲ 2.30
  11. 2026-07-22 14:07 UTCEPSS rescore
  12. 2026-07-22 14:07 UTCEPSS rescore
  13. 2026-07-21 15:23 UTCEPSS rescore
  14. 2026-07-20 17:06 UTCEPSS rescore
  15. 2026-07-19 14:30 UTCEPSS rescore
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  25. 2026-07-13 22:28 UTCEPSS rescore
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  1. 2026-07-13 22:28 UTCEPSS rescore
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  3. 2026-07-12 05:45 UTCEPSS rescore
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  5. 2026-07-11 08:26 UTCEPSS rescore
  6. 2026-07-09 19:08 UTCEPSS rescore
  7. 2026-07-08 15:13 UTCEPSS rescore
  8. 2026-07-07 13:45 UTCEPSS rescore
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  10. 2026-07-06 16:26 UTCEPSS rescore
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  17. 2026-06-30 23:21 UTCEPSS rescore
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  19. 2026-06-29 14:05 UTCEPSS rescore
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  22. 2026-06-28 04:55 UTCEPSS rescore
  23. 2026-06-27 03:07 UTCEPSS rescore
  24. 2026-06-25 13:48 UTCEPSS rescore
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  26. 2026-06-24 14:04 UTCEPSS rescore
  27. 2026-06-24 14:04 UTCEPSS rescore
  28. 2026-06-24 06:35 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  29. 2026-06-23 21:31 UTCEPSS rescore
  30. 2026-06-23 21:31 UTCEPSS rescore
  31. 2026-06-22 14:24 UTCEPSS rescore
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  33. 2026-06-21 14:55 UTCEPSS rescore
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  35. 2026-06-21 01:58 UTCEPSS rescore
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  37. 2026-06-19 19:24 UTCEPSS rescore
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  39. 2026-06-18 17:51 UTCEPSS rescore
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  41. 2026-06-16 17:51 UTCEPSS rescore
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  43. 2026-06-15 17:47 UTCEPSS rescore
  44. 2026-06-13 22:59 UTCEPSS rescore
  45. 2026-06-13 22:59 UTCEPSS rescore
  46. 2026-06-12 23:11 UTCEPSS rescore
  47. 2026-06-11 13:59 UTCEPSS rescore
  48. 2026-06-10 22:17 UTCEPSS rescore
  49. 2026-06-10 13:21 UTCEPSS rescore
  50. 2026-06-08 14:16 UTCEPSS rescore
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  52. 2026-06-07 15:24 UTCEPSS rescore
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  54. 2026-06-06 13:46 UTCEPSS rescore
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  56. 2026-06-05 22:46 UTCEPSS rescore
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  64. 2026-06-01 13:51 UTCEPSS rescore
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  74. 2026-05-26 13:43 UTCEPSS rescore
  75. 2026-05-26 13:43 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-6559?
CVE-2023-6559 is a critical vulnerability published on December 16, 2023. The MW WP Form plugin for WordPress is vulnerable to arbitrary file deletion in all versions up to, and including, 5.0.3. This is due to the plugin not properly validating the path of an uploaded file prior to deleting it. This makes it possible for unauthenticated attackers to delete arbitrary…
When was CVE-2023-6559 disclosed?
CVE-2023-6559 was first published in the National Vulnerability Database on December 16, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-6559 actively exploited?
CVE-2023-6559 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 32.2% of all scored CVEs.
What is the CVSS score of CVE-2023-6559?
CVE-2023-6559 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-6559?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6559, 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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