CVE-2026-16202

LOWPre-NVD 3.53.5—
EchelonGraph scoreMEDIUM confidence

Score 3.5 from GitHub Security Advisory (severity: LOW) published 2026-07-19. a secondary CVSS source baseline 3.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
3.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.5Exploit: Elevated riskExposed: 0

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

A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

CVSS v3
3.5
EG Score
3.5(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity35% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

July 19, 2026

Last Modified

July 22, 2026

References (6)

Vendor Advisories for CVE-2026-16202(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 11× in last 7d / 47× 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. 2026-08-30 03:07 UTCEG score recompute
  2. 2026-08-30 03:07 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-27 14:25 UTCEPSS rescore
  6. 2026-08-26 14:46 UTCEPSS rescore
  7. 2026-08-26 11:46 UTCEG score recompute
  8. 2026-08-26 11:46 UTCGHSA enrichment
  9. 2026-08-25 13:48 UTCEPSS rescore
  10. 2026-08-23 09:15 UTCEG score recompute
  11. 2026-08-23 09:15 UTCGHSA enrichment
  12. 2026-08-23 00:19 UTCEPSS rescore
  13. 2026-08-21 23:49 UTCEPSS rescore
  14. 2026-08-20 22:55 UTCEPSS rescore
  15. 2026-08-20 06:48 UTCEG score recompute
  16. 2026-08-20 06:48 UTCGHSA enrichment
  17. 2026-08-19 17:03 UTCEPSS rescore
  18. 2026-08-18 13:48 UTCEPSS rescore
  19. 2026-08-17 13:47 UTCEPSS rescore
  20. 2026-08-17 04:21 UTCEG score recompute
  21. 2026-08-17 04:21 UTCGHSA enrichment
  22. 2026-08-16 14:56 UTCEPSS rescore
  23. 2026-08-16 02:14 UTCEPSS rescore
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-14 01:54 UTCEG score recompute
Show 49 more
  1. 2026-08-14 01:54 UTCGHSA enrichment
  2. 2026-08-13 22:00 UTCEPSS rescore
  3. 2026-08-12 13:50 UTCEPSS rescore
  4. 2026-08-11 13:42 UTCEPSS rescore
  5. 2026-08-11 00:00 UTCEPSS rescore
  6. 2026-08-10 23:28 UTCEG score recompute
  7. 2026-08-10 23:28 UTCGHSA enrichment
  8. 2026-08-09 13:46 UTCEPSS rescore
  9. 2026-08-08 16:37 UTCEPSS rescore
  10. 2026-08-07 21:01 UTCEG score recompute
  11. 2026-08-07 21:01 UTCGHSA enrichment
  12. 2026-08-06 13:46 UTCEPSS rescore
  13. 2026-08-05 19:17 UTCEPSS rescore
  14. 2026-08-04 18:35 UTCEG score recompute
  15. 2026-08-04 18:34 UTCGHSA enrichment
  16. 2026-08-04 15:10 UTCEPSS rescore
  17. 2026-08-04 10:38 UTCEPSS rescore
  18. 2026-08-03 10:35 UTCEPSS rescore
  19. 2026-08-02 02:26 UTCEPSS rescore
  20. 2026-08-01 16:08 UTCEG score recompute
  21. 2026-08-01 16:08 UTCGHSA enrichment
  22. 2026-08-01 04:15 UTCEPSS rescore
  23. 2026-07-30 01:30 UTCEPSS rescore
  24. 2026-07-29 13:41 UTCEG score recompute
  25. 2026-07-29 13:41 UTCGHSA enrichment
  26. 2026-07-27 14:13 UTCEPSS rescore
  27. 2026-07-26 14:54 UTCEPSS rescore
  28. 2026-07-26 14:54 UTCEPSS rescore
  29. 2026-07-26 11:14 UTCEG score recompute
  30. 2026-07-26 11:14 UTCGHSA enrichment
  31. 2026-07-25 14:17 UTCEPSS rescore
  32. 2026-07-25 14:17 UTCEPSS rescore
  33. 2026-07-24 14:17 UTCEPSS rescore
  34. 2026-07-23 14:18 UTCEPSS rescore
  35. 2026-07-23 03:05 UTCEG score recompute
  36. 2026-07-22 23:57 UTCEG score recompute
  37. 2026-07-22 23:56 UTCGHSA enrichment
  38. 2026-07-22 16:51 UTCNVD updateCVSS v4 → 2
  39. 2026-07-22 15:25 UTCMITRE cvelistV5CVSS v4 → 5.1
  40. 2026-07-22 14:08 UTCEPSS rescore
  41. 2026-07-21 15:24 UTCEPSS rescore
  42. 2026-07-20 17:50 UTCEG score recompute
  43. 2026-07-20 17:50 UTCGHSA enrichment
  44. 2026-07-20 17:08 UTCEPSS rescore
  45. 2026-07-19 14:30 UTCEPSS rescore
  46. 2026-07-19 02:28 UTCEG score recompute
  47. 2026-07-19 02:27 UTCNVD updateCVSS v4 → 2
  48. 2026-07-19 01:35 UTCEG score recompute
  49. 2026-07-19 01:34 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16202?
CVE-2026-16202 is a low vulnerability published on July 19, 2026. A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /CYS.php. This manipulation of the argument course causes cross site scripting. The attack is possible to be carried out remotely. The…
When was CVE-2026-16202 disclosed?
CVE-2026-16202 was first published in the National Vulnerability Database on July 19, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16202 actively exploited?
CVE-2026-16202 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 72.5% of all scored CVEs.
What is the CVSS score of CVE-2026-16202?
CVE-2026-16202 has a CVSS v3 base score of 3.5 (NVD).
How do I remediate CVE-2026-16202?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16202, 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

Explore the affected products and dependency analysis for CVE-2026-16202

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