CVE-2026-15209

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-07-31. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: Elevated riskExposed: 0

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

The JS Help Desk WordPress plugin before 3.1.5 does not verify that the requesting user owns the ticket being loaded: a low-privileged authenticated user can supply another user's ticket ID and read that ticket's contents, including the reporter's PII and message body.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity65% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

July 31, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Jul 31, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

JS Help Desk – AI-Powered Support & Ticketing System < 3.1.5 – Subscriber+ Cross-User Support Ticket Disclosure via IDOR | CVE 2026-15209 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/3665b8dd-2b02-4c3b-b024-f1e07f934fab/

Vendor Advisories for CVE-2026-15209(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 12× in last 7d / 68× 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 132 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15209?
CVE-2026-15209 is a medium vulnerability published on July 31, 2026. The JS Help Desk WordPress plugin before 3.1.5 does not verify that the requesting user owns the ticket being loaded: a low-privileged authenticated user can supply another user's ticket ID and read that ticket's contents, including the reporter's PII and message body.
When was CVE-2026-15209 disclosed?
CVE-2026-15209 was first published in the National Vulnerability Database on July 31, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15209 actively exploited?
CVE-2026-15209 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 89.7% of all scored CVEs.
What is the CVSS score of CVE-2026-15209?
CVE-2026-15209 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-15209?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15209, 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

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