CVE-2026-25439

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-17. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 0

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

Unauthenticated Broken Authentication in Booknetic <= 4.8.5 versions.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
24.5%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 17, 2026

Advisory Details (1)

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

Broken Authentication in WordPress Booknetic Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/booknetic/vulnerability/wordpress-booknetic-plugin-4-8-5-account-takeover-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-25439(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 10× in last 7d / 93× 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 116 total refreshes for this CVE.

  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:07 UTCEG score recompute
  4. 2026-07-22 14:08 UTCEPSS rescore
  5. 2026-07-20 17:08 UTCEPSS rescore
  6. 2026-07-19 02:29 UTCEPSS rescore
  7. 2026-07-19 02:28 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-18 10:04 UTCEPSS rescore
  10. 2026-07-17 03:58 UTCGHSA enrichment
  11. 2026-07-16 17:03 UTCEPSS rescore
  12. 2026-07-16 17:03 UTCEPSS rescore
  13. 2026-07-16 14:39 UTCGHSA enrichment
  14. 2026-07-16 02:43 UTCGHSA enrichment
  15. 2026-07-15 16:57 UTCEPSS rescore
  16. 2026-07-15 16:57 UTCEPSS rescore
  17. 2026-07-15 14:47 UTCGHSA enrichment
  18. 2026-07-15 02:26 UTCGHSA enrichment
  19. 2026-07-15 02:00 UTCEPSS rescore
  20. 2026-07-15 02:00 UTCEPSS rescore
  21. 2026-07-14 14:25 UTCGHSA enrichment
  22. 2026-07-14 02:29 UTCGHSA enrichment
  23. 2026-07-13 22:30 UTCEPSS rescore
  24. 2026-07-13 14:33 UTCGHSA enrichment
  25. 2026-07-13 06:13 UTCEPSS rescore
Show 75 more
  1. 2026-07-13 06:13 UTCEPSS rescore
  2. 2026-07-13 02:34 UTCGHSA enrichment
  3. 2026-07-12 14:38 UTCGHSA enrichment
  4. 2026-07-12 05:46 UTCEPSS rescore
  5. 2026-07-12 05:46 UTCEPSS rescore
  6. 2026-07-12 02:42 UTCGHSA enrichment
  7. 2026-07-11 14:46 UTCGHSA enrichment
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-11 02:50 UTCGHSA enrichment
  10. 2026-07-10 14:54 UTCGHSA enrichment
  11. 2026-07-10 01:45 UTCGHSA enrichment
  12. 2026-07-09 19:10 UTCEPSS rescore
  13. 2026-07-09 13:11 UTCGHSA enrichment
  14. 2026-07-09 01:07 UTCGHSA enrichment
  15. 2026-07-08 15:15 UTCEPSS rescore
  16. 2026-07-08 15:15 UTCEPSS rescore
  17. 2026-07-08 13:11 UTCGHSA enrichment
  18. 2026-07-08 00:33 UTCGHSA enrichment
  19. 2026-07-07 12:37 UTCGHSA enrichment
  20. 2026-07-07 00:32 UTCGHSA enrichment
  21. 2026-07-06 16:27 UTCEPSS rescore
  22. 2026-07-06 16:27 UTCEPSS rescore
  23. 2026-07-06 12:36 UTCGHSA enrichment
  24. 2026-07-06 02:23 UTCEPSS rescore
  25. 2026-07-06 02:23 UTCEPSS rescore
  26. 2026-07-05 19:46 UTCGHSA enrichment
  27. 2026-07-05 07:50 UTCGHSA enrichment
  28. 2026-07-05 02:30 UTCEPSS rescore
  29. 2026-07-04 17:31 UTCGHSA enrichment
  30. 2026-07-04 06:31 UTCEPSS rescore
  31. 2026-07-04 06:31 UTCEPSS rescore
  32. 2026-07-04 05:36 UTCGHSA enrichment
  33. 2026-07-03 14:58 UTCGHSA enrichment
  34. 2026-07-03 03:02 UTCGHSA enrichment
  35. 2026-07-02 15:06 UTCGHSA enrichment
  36. 2026-07-02 03:09 UTCGHSA enrichment
  37. 2026-07-01 15:14 UTCGHSA enrichment
  38. 2026-07-01 15:06 UTCEPSS rescore
  39. 2026-07-01 15:06 UTCEPSS rescore
  40. 2026-07-01 03:18 UTCGHSA enrichment
  41. 2026-06-30 23:22 UTCEPSS rescore
  42. 2026-06-30 23:22 UTCEPSS rescore
  43. 2026-06-30 15:22 UTCGHSA enrichment
  44. 2026-06-30 03:26 UTCGHSA enrichment
  45. 2026-06-29 15:30 UTCGHSA enrichment
  46. 2026-06-29 14:06 UTCEPSS rescore
  47. 2026-06-29 03:22 UTCGHSA enrichment
  48. 2026-06-28 15:23 UTCGHSA enrichment
  49. 2026-06-28 14:07 UTCEPSS rescore
  50. 2026-06-28 14:07 UTCEPSS rescore
  51. 2026-06-28 04:56 UTCEPSS rescore
  52. 2026-06-28 04:56 UTCEPSS rescore
  53. 2026-06-28 03:27 UTCGHSA enrichment
  54. 2026-06-27 15:31 UTCGHSA enrichment
  55. 2026-06-27 03:35 UTCGHSA enrichment
  56. 2026-06-27 03:08 UTCEPSS rescore
  57. 2026-06-26 15:36 UTCGHSA enrichment
  58. 2026-06-26 03:40 UTCGHSA enrichment
  59. 2026-06-25 15:44 UTCGHSA enrichment
  60. 2026-06-25 13:49 UTCEPSS rescore
  61. 2026-06-25 13:49 UTCEPSS rescore
  62. 2026-06-25 03:48 UTCGHSA enrichment
  63. 2026-06-24 15:52 UTCGHSA enrichment
  64. 2026-06-24 14:05 UTCEPSS rescore
  65. 2026-06-24 14:05 UTCEPSS rescore
  66. 2026-06-24 03:56 UTCGHSA enrichment
  67. 2026-06-23 21:33 UTCEPSS rescore
  68. 2026-06-23 21:32 UTCEPSS rescore
  69. 2026-06-23 15:56 UTCGHSA enrichment
  70. 2026-06-23 03:59 UTCGHSA enrichment
  71. 2026-06-22 15:58 UTCGHSA enrichment
  72. 2026-06-22 14:25 UTCEPSS rescore
  73. 2026-06-22 14:25 UTCEPSS rescore
  74. 2026-06-22 04:00 UTCGHSA enrichment
  75. 2026-06-21 16:02 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-25439?
CVE-2026-25439 is a high vulnerability published on June 17, 2026. Unauthenticated Broken Authentication in Booknetic <= 4.8.5 versions.
When was CVE-2026-25439 disclosed?
CVE-2026-25439 was first published in the National Vulnerability Database 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-2026-25439 actively exploited?
CVE-2026-25439 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-25439?
CVE-2026-25439 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-25439?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-25439, 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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