CVE-2026-16485

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-22. 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 Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /class.php. Such manipulation of the argument day leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 22, 2026

Advisory Details (2)

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

Free Source Code Projects and Tutorials - sourcecodester.com

https://www.sourcecodester.com/
generic

sourcecodester Class and Exam Timetabling System Project V1.0 /class.php cross site scripting · Issue #1 · ashfaqsharif47-arch/Web-RCE · GitHub

https://github.com/ashfaqsharif47-arch/Web-RCE/issues/1

Vendor Advisories for CVE-2026-16485(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 15× 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.

Showing the most recent 100 of 148 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16485?
CVE-2026-16485 is a medium vulnerability published on July 21, 2026. A vulnerability has been found in SourceCodester Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /class.php. Such manipulation of the argument day leads to cross site scripting. The attack can be launched remotely. The exploit has been…
When was CVE-2026-16485 disclosed?
CVE-2026-16485 was first published in the National Vulnerability Database on July 21, 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-2026-16485 actively exploited?
CVE-2026-16485 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 60.7% of all scored CVEs.
What is the CVSS score of CVE-2026-16485?
CVE-2026-16485 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-16485?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16485, 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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