CVE-2026-75308

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-09-10. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 6.1Exploit: Elevated riskExposed services: Not assessed

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

yshopmall <=3.3 is vulnerable to Cross Site Scripting (XSS). The file upload endpoint /api/upload of the system lacks file type validation. Attackers can upload files of any type, including HTML, JSP, and other executable files.

CVSS v3
6.1
EG Score
6.1MEDIUMhigh confidence
EG Risk
43
EG Risk 43/100CISA SSVC

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
Severity61% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.3%
EPSS %ILE
15th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 9, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

Stored XSS via Unrestricted File Upload - yshop-mall-boot <= 3.3 · Issue #14 · W000i/vuln · GitHub

https://github.com/W000i/vuln/issues/14

Vendor Advisories for CVE-2026-75308(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 18× in last 7d / 68× 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.

  1. 2026-10-04 23:22 UTCEPSS rescore
  2. 2026-10-04 14:47 UTCGHSA enrichment
  3. 2026-10-03 14:51 UTCEG score recompute
  4. 2026-10-03 14:50 UTCGHSA enrichment
  5. 2026-10-03 14:26 UTCEPSS rescore
  6. 2026-10-02 14:53 UTCEG score recompute
  7. 2026-10-02 14:53 UTCGHSA enrichment
  8. 2026-10-01 19:50 UTCEPSS rescore
  9. 2026-10-01 14:56 UTCEG score recompute
  10. 2026-10-01 14:56 UTCGHSA enrichment
  11. 2026-09-30 15:00 UTCEG score recompute
  12. 2026-09-30 15:00 UTCGHSA enrichment
  13. 2026-09-29 15:24 UTCEPSS rescore
  14. 2026-09-29 15:02 UTCEG score recompute
  15. 2026-09-29 15:02 UTCGHSA enrichment
  16. 2026-09-28 15:05 UTCEG score recompute
  17. 2026-09-28 15:05 UTCGHSA enrichment
  18. 2026-09-28 13:52 UTCEPSS rescore
  19. 2026-09-27 15:07 UTCEG score recompute
  20. 2026-09-27 15:06 UTCGHSA enrichment
  21. 2026-09-27 13:48 UTCEPSS rescore
  22. 2026-09-26 15:59 UTCEPSS rescore
  23. 2026-09-26 15:08 UTCEG score recompute
  24. 2026-09-26 15:08 UTCGHSA enrichment
  25. 2026-09-26 00:28 UTCEPSS rescore
Show 43 more
  1. 2026-09-25 13:29 UTCEG score recompute
  2. 2026-09-25 13:29 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 13:27 UTCEG score recompute
  5. 2026-09-24 13:27 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 13:31 UTCEG score recompute
  8. 2026-09-23 13:31 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 13:34 UTCEG score recompute
  11. 2026-09-22 13:34 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 13:38 UTCEG score recompute
  14. 2026-09-21 13:38 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 13:42 UTCEG score recompute
  17. 2026-09-20 13:42 UTCGHSA enrichment
  18. 2026-09-19 13:45 UTCEG score recompute
  19. 2026-09-19 13:45 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-18 13:48 UTCEG score recompute
  22. 2026-09-18 13:48 UTCGHSA enrichment
  23. 2026-09-17 13:52 UTCEG score recompute
  24. 2026-09-17 13:52 UTCGHSA enrichment
  25. 2026-09-16 14:08 UTCEPSS rescore
  26. 2026-09-16 13:54 UTCEG score recompute
  27. 2026-09-16 13:54 UTCGHSA enrichment
  28. 2026-09-16 05:15 UTCEPSS rescore
  29. 2026-09-15 13:34 UTCEG score recompute
  30. 2026-09-15 13:34 UTCGHSA enrichment
  31. 2026-09-15 03:12 UTCEPSS rescore
  32. 2026-09-14 13:37 UTCGHSA enrichment
  33. 2026-09-14 12:45 UTCEG score recompute▲ 6.10
  34. 2026-09-14 12:45 UTCGHSA enrichment
  35. 2026-09-14 12:44 UTCMITRE cvelistV5CVSS v3 → 6.1 · severity → MEDIUM
  36. 2026-09-13 18:16 UTCEG score recompute
  37. 2026-09-13 18:16 UTCGHSA enrichment
  38. 2026-09-12 15:02 UTCEPSS rescore
  39. 2026-09-11 14:53 UTCEPSS rescore
  40. 2026-09-10 15:59 UTCGHSA enrichment
  41. 2026-09-09 22:30 UTCNVD update
  42. 2026-09-09 21:41 UTCEG score recompute
  43. 2026-09-09 21:40 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-75308?
CVE-2026-75308 is a medium vulnerability published on September 9, 2026. yshopmall <=3.3 is vulnerable to Cross Site Scripting (XSS). The file upload endpoint /api/upload of the system lacks file type validation. Attackers can upload files of any type, including HTML, JSP, and other executable files.
When was CVE-2026-75308 disclosed?
CVE-2026-75308 was first published on September 9, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-75308 actively exploited?
CVE-2026-75308 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (15th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-75308?
CVE-2026-75308 has a CVSS v3.1 base score of 6.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-75308?
No fix for CVE-2026-75308 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-75308 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-75308

Explore →

Is Your Infrastructure Affected by CVE-2026-75308?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.