CVE-2026-13596

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: Elevated riskExposed: 0

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

The Participants Database WordPress plugin before 2.7.8.4 does not properly sanitize and escape a user-supplied parameter before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
72(Attend)
EG Risk 72/100SSVC: Attend

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
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

August 1, 2026

Last Modified

August 3, 2026

Advisory Details (1)

Auto-updated Aug 3, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Participants Database < 2.7.8.4 – Unauthenticated SQL Injection via List Search | CVE 2026-13596 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/e22227c8-506e-4188-a7a1-1952b41c47f5/

Vendor Advisories for CVE-2026-13596(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 55× in last 7d / 143× 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 143 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13596?
CVE-2026-13596 is a critical vulnerability published on August 1, 2026. The Participants Database WordPress plugin before 2.7.8.4 does not properly sanitize and escape a user-supplied parameter before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks.
When was CVE-2026-13596 disclosed?
CVE-2026-13596 was first published in the National Vulnerability Database on August 1, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13596 actively exploited?
CVE-2026-13596 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 81.8% of all scored CVEs.
What is the CVSS score of CVE-2026-13596?
CVE-2026-13596 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13596?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13596, 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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