CVE-2026-11875

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-07-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

The WP Support Plus Responsive Ticket System WordPress plugin through 9.1.2 does not sign or verify its guest-session cookie, allowing unauthenticated attackers to forge it and impersonate any ticket owner (identified by email address) to read, reply to, and close that person's support tickets.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
55(Attend)
EG Risk 55/100SSVC: 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
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 9, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

WP Support Plus Responsive Ticket System <= 9.1.2 – Unauthenticated Support Ticket Access via Session Cookie Forgery | CVE 2026-11875 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/1c69692e-5d0c-42cf-9b3d-b722f2ba4231/

Vendor Advisories for CVE-2026-11875(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 13× in last 7d / 76× 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 119 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-11875?
CVE-2026-11875 is a medium vulnerability published on July 9, 2026. The WP Support Plus Responsive Ticket System WordPress plugin through 9.1.2 does not sign or verify its guest-session cookie, allowing unauthenticated attackers to forge it and impersonate any ticket owner (identified by email address) to read, reply to, and close that person's support tickets.
When was CVE-2026-11875 disclosed?
CVE-2026-11875 was first published in the National Vulnerability Database on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11875 actively exploited?
CVE-2026-11875 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 75.3% of all scored CVEs.
What is the CVSS score of CVE-2026-11875?
CVE-2026-11875 has a CVSS v3.1 base score of 5.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-11875?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11875, 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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