CVE-2026-22678

MEDIUMPre-NVD 5.45.4
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-05-22. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: NoneExposed: 0

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

Webmin before 2.641 contains a stored cross-site scripting vulnerability in the email template description field of the System and Server Status module that allows low-privileged authenticated attackers to execute arbitrary JavaScript in the browser context of administrators by injecting unsanitized input stored in save_tmpl.cgi and rendered unescaped in list_tmpls.cgi.

CVSS v3
5.4
EG Score
5.4(medium)
EPSS
6.4%
KEV
Not listed

Published

May 21, 2026

Last Modified

July 14, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

Webmin < 2.641 Stored XSS via System and Server Status | Advisories | VulnCheck

https://www.vulncheck.com/advisories/webmin-stored-xss-via-system-and-server-status
generic

Webmin 2.641 released | Webmin

https://webmin.com/changelog/webmin-2.641-released/

Vendor Advisories for CVE-2026-22678(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 11× in last 7d / 57× 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 137 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-22678?
CVE-2026-22678 is a medium vulnerability published on May 21, 2026. Webmin before 2.641 contains a stored cross-site scripting vulnerability in the email template description field of the System and Server Status module that allows low-privileged authenticated attackers to execute arbitrary JavaScript in the browser context of administrators by injecting…
When was CVE-2026-22678 disclosed?
CVE-2026-22678 was first published in the National Vulnerability Database on May 21, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-22678 actively exploited?
CVE-2026-22678 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-22678?
CVE-2026-22678 has a CVSS v4.0 base score of 5.4 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-22678?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-22678, 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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