CVE-2026-15596

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-14. 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 was identified in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is an unknown function of the file /subject.php. Such manipulation of the argument subject leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might 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 13, 2026

Last Modified

July 15, 2026

Advisory Details (2)

Auto-updated Jul 13, 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 /subject.php cross site scripting · Issue #5 · AlbaDove/cve · GitHub

https://github.com/AlbaDove/cve/issues/5

Vendor Advisories for CVE-2026-15596(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 / 82× 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 119 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15596?
CVE-2026-15596 is a medium vulnerability published on July 13, 2026. A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is an unknown function of the file /subject.php. Such manipulation of the argument subject leads to cross site scripting. It is possible to launch the attack remotely. The exploit is…
When was CVE-2026-15596 disclosed?
CVE-2026-15596 was first published in the National Vulnerability Database on July 13, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15596 actively exploited?
CVE-2026-15596 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 61.3% of all scored CVEs.
What is the CVSS score of CVE-2026-15596?
CVE-2026-15596 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-15596?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15596, 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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