CVE-2026-86294

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-09-07. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

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

A vulnerability has been found in SourceCodester Simple Traffic Offense System 1.0. Affected by this issue is some unknown functionality of the file save-settings.php of the component Settings Update Endpoint. The manipulation of the argument site_name/site_desc leads to cross site scripting. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
50(Attend)
EG Risk 50/100SSVC: Attend

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
Severity43% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

September 7, 2026

Last Modified

September 11, 2026

Advisory Details (2)

Auto-updated Sep 7, 2026
No patch confirmed yet.
generic

Free Source Code Projects and Tutorials - sourcecodester.com

https://www.sourcecodester.com/
generic

Unauthenticated Site Settings Modification Leading to Stored XSS in Simple Traffic Offense System using PHP with Source Code v1.0 · Issue #3 · tan1540684326-QAQ/cve · GitHub

https://github.com/tan1540684326-QAQ/cve/issues/3

Vendor Advisories for CVE-2026-86294(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 22× in last 7d / 60× 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. 2026-09-25 05:41 UTCEG score recompute
  2. 2026-09-25 05:41 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 06:51 UTCEG score recompute
  5. 2026-09-24 06:51 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 08:02 UTCEG score recompute
  8. 2026-09-23 08:02 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 09:12 UTCEG score recompute
  11. 2026-09-22 09:12 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 10:07 UTCEG score recompute
  14. 2026-09-21 10:07 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 11:18 UTCEG score recompute
  17. 2026-09-20 11:18 UTCGHSA enrichment
  18. 2026-09-19 12:28 UTCEG score recompute
  19. 2026-09-19 12:28 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-18 13:39 UTCEG score recompute
  22. 2026-09-18 13:39 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-17 14:50 UTCGHSA enrichment
  25. 2026-09-16 16:00 UTCEG score recompute
Show 35 more
  1. 2026-09-16 16:00 UTCGHSA enrichment
  2. 2026-09-16 14:09 UTCEPSS rescore
  3. 2026-09-16 05:15 UTCEPSS rescore
  4. 2026-09-15 17:11 UTCEG score recompute
  5. 2026-09-15 17:11 UTCGHSA enrichment
  6. 2026-09-15 03:12 UTCEPSS rescore
  7. 2026-09-15 03:12 UTCEPSS rescore
  8. 2026-09-14 18:21 UTCGHSA enrichment
  9. 2026-09-13 19:02 UTCEG score recompute
  10. 2026-09-13 19:02 UTCGHSA enrichment
  11. 2026-09-12 20:13 UTCEG score recompute
  12. 2026-09-12 20:13 UTCGHSA enrichment
  13. 2026-09-11 21:23 UTCEG score recompute
  14. 2026-09-11 21:23 UTCGHSA enrichment
  15. 2026-09-11 21:20 UTCNVD updateCVSS v4 → 2.1
  16. 2026-09-11 20:47 UTCEG score recompute
  17. 2026-09-11 20:47 UTCGHSA enrichment
  18. 2026-09-11 20:43 UTCMITRE cvelistV5CVSS v4 → 5.3
  19. 2026-09-11 14:53 UTCEPSS rescore
  20. 2026-09-11 14:53 UTCEPSS rescore
  21. 2026-09-11 10:44 UTCGHSA enrichment
  22. 2026-09-11 10:44 UTCEG score recompute
  23. 2026-09-11 10:44 UTCGHSA enrichment
  24. 2026-09-10 11:36 UTCEG score recompute
  25. 2026-09-10 11:36 UTCGHSA enrichment
  26. 2026-09-09 12:46 UTCEG score recompute
  27. 2026-09-09 12:46 UTCGHSA enrichment
  28. 2026-09-08 22:01 UTCEPSS rescore
  29. 2026-09-08 13:55 UTCGHSA enrichment
  30. 2026-09-08 10:14 UTCEG score recompute
  31. 2026-09-08 10:14 UTCGHSA enrichment
  32. 2026-09-07 11:21 UTCEG score recompute
  33. 2026-09-07 11:19 UTCNVD updateCVSS v4 → 2.1
  34. 2026-09-07 10:22 UTCEG score recompute
  35. 2026-09-07 10:21 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-86294?
CVE-2026-86294 is a medium vulnerability published on September 7, 2026. A vulnerability has been found in SourceCodester Simple Traffic Offense System 1.0. Affected by this issue is some unknown functionality of the file save-settings.php of the component Settings Update Endpoint. The manipulation of the argument sitename/sitedesc leads to cross site scripting. Remote…
When was CVE-2026-86294 disclosed?
CVE-2026-86294 was first published in the National Vulnerability Database on September 7, 2026, with the most recent update on September 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-86294 actively exploited?
CVE-2026-86294 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 62.0% of all scored CVEs.
What is the CVSS score of CVE-2026-86294?
CVE-2026-86294 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-86294?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86294, 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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