CVE-2026-59544

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-23. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
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.

Unauthenticated PHP Object Injection in Thrive Quiz Builder <= 10.9.3.0 versions.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
45%
KEV
Not listed

Published

July 23, 2026

Last Modified

July 23, 2026

Advisory Details (1)

Auto-updated Sep 12, 2026
No patch confirmed yet.
generic

PHP Object Injection in WordPress Thrive Quiz Builder Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/thrive-quiz-builder/vulnerability/wordpress-thrive-quiz-builder-plugin-10-9-3-0-php-object-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-59544(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 30× in last 7d / 149× 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 325 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-59544?
CVE-2026-59544 is a critical vulnerability published on July 23, 2026. Unauthenticated PHP Object Injection in Thrive Quiz Builder <= 10.9.3.0 versions.
When was CVE-2026-59544 disclosed?
CVE-2026-59544 was first published in the National Vulnerability Database on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59544 actively exploited?
CVE-2026-59544 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 54.9% of all scored CVEs.
What is the CVSS score of CVE-2026-59544?
CVE-2026-59544 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-59544?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59544, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-59544

Explore →

Is Your Infrastructure Affected by CVE-2026-59544?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs