CVE-2026-13527

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-06-29. 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 vulnerability has been found in SourceCodester Class and Exam Timetabling System 1.0. The affected element is an unknown function of the file /preview4.php. Such manipulation of the argument course_year_section leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public 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

June 29, 2026

Last Modified

June 29, 2026

Advisory Details (2)

Auto-updated Jun 29, 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 /preview4.php SQL injection · Issue #1 · yuanyuandechen/vul · GitHub

https://github.com/yuanyuandechen/vul/issues/1

Vendor Advisories for CVE-2026-13527(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 / 95× 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 189 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13527?
CVE-2026-13527 is a high vulnerability published on June 29, 2026. A vulnerability has been found in SourceCodester Class and Exam Timetabling System 1.0. The affected element is an unknown function of the file /preview4.php. Such manipulation of the argument courseyearsection leads to sql injection. The attack may be launched remotely. The exploit has been…
When was CVE-2026-13527 disclosed?
CVE-2026-13527 was first published in the National Vulnerability Database on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13527 actively exploited?
CVE-2026-13527 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 64.2% of all scored CVEs.
What is the CVSS score of CVE-2026-13527?
CVE-2026-13527 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-13527?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13527, 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-2026-13527

Explore →

Is Your Infrastructure Affected by CVE-2026-13527?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs