CVE-2026-40765

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-17. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

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

Unauthenticated Cross Site Scripting (XSS) in collectchat <= 2.4.9 versions.

CVSS v3
7.1
EG Score
7.1(high)
EPSS
13.8%
KEV
Not listed

Published

June 17, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jun 18, 2026
No patch confirmed yet.
generic

Cross Site Scripting (XSS) in WordPress collectchat Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/collectchat/vulnerability/wordpress-collectchat-plugin-2-4-9-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-40765(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 34× in last 7d / 105× 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 105 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-40765?
CVE-2026-40765 is a high vulnerability published on June 17, 2026. Unauthenticated Cross Site Scripting (XSS) in collectchat <= 2.4.9 versions.
When was CVE-2026-40765 disclosed?
CVE-2026-40765 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-2026-40765 actively exploited?
CVE-2026-40765 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-40765?
CVE-2026-40765 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-40765?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40765, 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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