CVE-2026-25439

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH 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(high)
EPSS
24.1%
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 35× in last 7d / 114× 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 114 total refreshes for this CVE.

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

Related CVEs(same CWE)

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 24.1% 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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