CVE-2026-54395

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
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: None knownExposed: 0

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

MISP contains a reflected cross-site scripting vulnerability in the UiBeta event index view. The urlparams value is inserted into an inline JavaScript handler using HTML escaping inside a single-quoted JavaScript string. Because browsers HTML-decode attribute values before JavaScript parsing, a crafted searcheventinfo value can restore encoded quote characters and break out of the JavaScript string. An attacker could craft a malicious URL that, when opened by a victim using the UiBeta event index, executes arbitrary JavaScript in the victim’s browser in the context of the MISP instance. The issue is fixed by encoding the value as a JavaScript string literal with json_encode() before applying HTML escaping at the attribute layer.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

June 12, 2026

Last Modified

June 15, 2026

Advisory Details (1)

Auto-updated Jun 19, 2026
Patch available. Sources: github_commit.
github_commit Patch Available

commit b865deb036ca (MISP/MISP)

Patch available: MISP/MISP v2.5.40 (contains commit b865deb036ca)

https://github.com/MISP/MISP/commit/b865deb036ca82dab272be260798f562034ba9ae

Vendor Advisories for CVE-2026-54395(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 6× in last 7d / 37× 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 198 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-54395?
CVE-2026-54395 is a medium vulnerability published on June 12, 2026. MISP contains a reflected cross-site scripting vulnerability in the UiBeta event index view. The urlparams value is inserted into an inline JavaScript handler using HTML escaping inside a single-quoted JavaScript string. Because browsers HTML-decode attribute values before JavaScript parsing, a…
When was CVE-2026-54395 disclosed?
CVE-2026-54395 was first published in the National Vulnerability Database on June 12, 2026, with the most recent update on June 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-54395 actively exploited?
CVE-2026-54395 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 82.7% of all scored CVEs.
What is the CVSS score of CVE-2026-54395?
CVE-2026-54395 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-54395?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54395, 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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