CVE-2026-73398

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-08-18. A secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 6.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Unauthenticated Broken Authentication in Piraeus Bank WooCommerce Payment Gateway 3.2.0 versions.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
44
EG Risk 44/100CISA SSVC

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
Severity65% × 45%
Exploitation0% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.4%
EPSS %ILE
33rd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 18, 2026

Last Modified

August 20, 2026

Advisory Details (1)

Auto-updated Aug 18, 2026
Patch available.
generic Patch Available

Broken Authentication in WordPress Piraeus Bank WooCommerce Payment Gateway Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/woo-payment-gateway-for-piraeus-bank/vulnerability/wordpress-piraeus-bank-woocommerce-payment-gateway-plugin-3-2-0-broken-authentication-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-73398(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 72× 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 127 total refreshes for this CVE.

  1. 2026-10-04 23:22 UTCEPSS rescore
  2. 2026-10-04 21:43 UTCGHSA enrichment
  3. 2026-10-03 17:40 UTCEG score recompute
  4. 2026-10-03 17:40 UTCGHSA enrichment
  5. 2026-10-03 14:26 UTCEPSS rescore
  6. 2026-10-02 09:38 UTCEG score recompute
  7. 2026-10-02 09:38 UTCGHSA enrichment
  8. 2026-10-01 19:50 UTCEPSS rescore
  9. 2026-10-01 09:45 UTCEG score recompute
  10. 2026-10-01 09:45 UTCGHSA enrichment
  11. 2026-09-30 09:52 UTCEG score recompute
  12. 2026-09-30 09:52 UTCGHSA enrichment
  13. 2026-09-29 15:24 UTCEPSS rescore
  14. 2026-09-29 07:44 UTCEG score recompute
  15. 2026-09-29 07:44 UTCGHSA enrichment
  16. 2026-09-28 13:52 UTCEPSS rescore
  17. 2026-09-28 07:51 UTCEG score recompute
  18. 2026-09-28 07:51 UTCGHSA enrichment
  19. 2026-09-27 13:48 UTCEPSS rescore
  20. 2026-09-27 07:58 UTCEG score recompute
  21. 2026-09-27 07:58 UTCGHSA enrichment
  22. 2026-09-26 15:59 UTCEPSS rescore
  23. 2026-09-25 03:18 UTCEG score recompute
  24. 2026-09-25 03:18 UTCGHSA enrichment
  25. 2026-09-24 03:06 UTCEG score recompute
Show 75 more
  1. 2026-09-24 03:06 UTCGHSA enrichment
  2. 2026-09-23 17:54 UTCEPSS rescore
  3. 2026-09-23 03:12 UTCEG score recompute
  4. 2026-09-23 03:12 UTCGHSA enrichment
  5. 2026-09-22 03:19 UTCEG score recompute
  6. 2026-09-22 03:19 UTCGHSA enrichment
  7. 2026-09-21 21:09 UTCEPSS rescore
  8. 2026-09-21 03:25 UTCEG score recompute
  9. 2026-09-21 03:25 UTCGHSA enrichment
  10. 2026-09-20 20:16 UTCEPSS rescore
  11. 2026-09-20 03:24 UTCEG score recompute
  12. 2026-09-20 03:24 UTCGHSA enrichment
  13. 2026-09-19 03:30 UTCEG score recompute
  14. 2026-09-19 03:30 UTCGHSA enrichment
  15. 2026-09-18 19:28 UTCEPSS rescore
  16. 2026-09-18 03:36 UTCEG score recompute
  17. 2026-09-18 03:36 UTCGHSA enrichment
  18. 2026-09-17 03:43 UTCEG score recompute
  19. 2026-09-17 03:43 UTCGHSA enrichment
  20. 2026-09-16 14:08 UTCEPSS rescore
  21. 2026-09-16 05:15 UTCEPSS rescore
  22. 2026-09-16 02:42 UTCEG score recompute
  23. 2026-09-16 02:42 UTCGHSA enrichment
  24. 2026-09-15 03:12 UTCEPSS rescore
  25. 2026-09-15 02:48 UTCGHSA enrichment
  26. 2026-09-14 02:54 UTCEG score recompute
  27. 2026-09-14 02:54 UTCGHSA enrichment
  28. 2026-09-13 03:01 UTCEG score recompute
  29. 2026-09-13 03:01 UTCGHSA enrichment
  30. 2026-09-12 15:02 UTCEPSS rescore
  31. 2026-09-12 03:07 UTCEG score recompute
  32. 2026-09-12 03:07 UTCGHSA enrichment
  33. 2026-09-11 14:53 UTCEPSS rescore
  34. 2026-09-11 03:14 UTCEG score recompute
  35. 2026-09-11 03:14 UTCGHSA enrichment
  36. 2026-09-10 09:35 UTCEPSS rescore
  37. 2026-09-10 03:21 UTCGHSA enrichment
  38. 2026-09-09 03:27 UTCEG score recompute
  39. 2026-09-09 03:27 UTCGHSA enrichment
  40. 2026-09-08 22:01 UTCEPSS rescore
  41. 2026-09-07 16:24 UTCEG score recompute
  42. 2026-09-07 16:24 UTCGHSA enrichment
  43. 2026-09-06 16:30 UTCEG score recompute
  44. 2026-09-06 16:30 UTCGHSA enrichment
  45. 2026-09-06 13:48 UTCEPSS rescore
  46. 2026-09-05 16:36 UTCEG score recompute
  47. 2026-09-05 16:36 UTCGHSA enrichment
  48. 2026-09-04 16:42 UTCEG score recompute
  49. 2026-09-04 16:41 UTCGHSA enrichment
  50. 2026-09-04 05:07 UTCEPSS rescore
  51. 2026-09-03 16:43 UTCGHSA enrichment
  52. 2026-09-02 16:50 UTCEG score recompute
  53. 2026-09-02 16:50 UTCGHSA enrichment
  54. 2026-09-02 14:12 UTCEPSS rescore
  55. 2026-09-01 15:08 UTCEG score recompute
  56. 2026-09-01 15:08 UTCGHSA enrichment
  57. 2026-09-01 13:54 UTCEPSS rescore
  58. 2026-09-01 04:40 UTCEPSS rescore
  59. 2026-09-01 04:40 UTCEPSS rescore
  60. 2026-08-31 14:58 UTCEG score recompute
  61. 2026-08-31 14:58 UTCGHSA enrichment
  62. 2026-08-30 19:18 UTCEPSS rescore
  63. 2026-08-30 19:17 UTCEPSS rescore
  64. 2026-08-30 13:44 UTCEG score recompute
  65. 2026-08-30 13:44 UTCGHSA enrichment
  66. 2026-08-30 01:22 UTCEPSS rescore
  67. 2026-08-29 13:50 UTCEG score recompute
  68. 2026-08-29 13:50 UTCGHSA enrichment
  69. 2026-08-28 21:42 UTCEPSS rescore
  70. 2026-08-28 12:12 UTCEG score recompute
  71. 2026-08-28 12:12 UTCGHSA enrichment
  72. 2026-08-27 14:25 UTCEPSS rescore
  73. 2026-08-27 12:19 UTCEG score recompute
  74. 2026-08-27 12:19 UTCGHSA enrichment
  75. 2026-08-26 14:47 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-73398?
CVE-2026-73398 is a medium vulnerability published on August 18, 2026. Unauthenticated Broken Authentication in Piraeus Bank WooCommerce Payment Gateway 3.2.0 versions.
When was CVE-2026-73398 disclosed?
CVE-2026-73398 was first published on August 18, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73398 actively exploited?
CVE-2026-73398 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (33rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-73398?
CVE-2026-73398 has a CVSS base score of 6.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-73398?
A fix for CVE-2026-73398 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-73398 are linked in the Vendor Advisories panel on this page.

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