CVE-2026-16484

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-07-22. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 0

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

A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /edit_subjecta.php. This manipulation of the argument ID causes sql injection. The attack can be initiated remotely. The exploit has been published and may be used.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
64(Attend)
EG Risk 64/100SSVC: 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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
36%
KEV
Not listed

Published

July 21, 2026

Last Modified

July 22, 2026

Advisory Details (2)

Auto-updated Jul 22, 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 /edit_subjecta.php SQL injection · Issue #1 · austincooke723-tech/web-re-cve · GitHub

https://github.com/austincooke723-tech/web-re-cve/issues/1

Vendor Advisories for CVE-2026-16484(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 17× in last 7d / 92× 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 176 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-16484?
CVE-2026-16484 is a high vulnerability published on July 21, 2026. A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /edit_subjecta.php. This manipulation of the argument ID causes sql injection. The attack can be initiated remotely. The exploit has been published…
When was CVE-2026-16484 disclosed?
CVE-2026-16484 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-2026-16484 actively exploited?
CVE-2026-16484 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 63.7% of all scored CVEs.
What is the CVSS score of CVE-2026-16484?
CVE-2026-16484 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-16484?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16484, 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.

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