CVE-2026-48539

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-07-23. the CNA's CVSS baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

GFI Archiver before 15.13 contains a stored cross-site scripting vulnerability in the MailInsights scheduled report configuration that allows authenticated attackers to inject arbitrary web script or HTML via the report name parameter to /Archiver/MailInsights.aspx. The injected payload is stored by ReportScheduling.btnSaveReport_Click() without output encoding and is executed in the browser of the user who created the scheduled report when they subsequently view the MailInsights page.

CVSS v3
5.4
EG Score
5.4(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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

July 23, 2026

Last Modified

July 28, 2026

Advisory Details (1)

Auto-updated Jul 26, 2026
No patch confirmed yet.
generic

GFI Archiver < 15.13 Stored XSS via MailInsights.aspx | Advisories | VulnCheck

https://www.vulncheck.com/advisories/gfi-archiver-stored-xss-via-mailinsights-aspx

Vendor Advisories for CVE-2026-48539(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 17× in last 7d / 81× 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 102 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-48539?
CVE-2026-48539 is a medium vulnerability published on July 23, 2026. GFI Archiver before 15.13 contains a stored cross-site scripting vulnerability in the MailInsights scheduled report configuration that allows authenticated attackers to inject arbitrary web script or HTML via the report name parameter to /Archiver/MailInsights.aspx. The injected payload is stored…
When was CVE-2026-48539 disclosed?
CVE-2026-48539 was first published in the National Vulnerability Database on July 23, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48539 actively exploited?
CVE-2026-48539 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 85.8% of all scored CVEs.
What is the CVSS score of CVE-2026-48539?
CVE-2026-48539 has a CVSS v4.0 base score of 5.4 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-48539?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48539, 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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