CVE-2026-13566

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH 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 week
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 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. Affected by this issue is some unknown functionality of the file /preview3.php. The manipulation of the argument course_year_section leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

CVSS v3
7.3
EG Score
7.3(high)
EPSS
17.7%
KEV
Not listed

Published

June 29, 2026

Last Modified

June 30, 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 /preview3.php SQL injection · Issue #2 · Pluto2362/CVE-2026 · GitHub

https://github.com/Pluto2362/CVE-2026/issues/2

Vendor Advisories for CVE-2026-13566(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 36× in last 7d / 41× 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. 2026-07-07 03:56 UTCEG score recompute
  2. 2026-07-07 03:56 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 15:39 UTCEG score recompute
  5. 2026-07-06 15:39 UTCGHSA enrichment
  6. 2026-07-06 03:31 UTCEG score recompute
  7. 2026-07-06 03:30 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 15:17 UTCEG score recompute
  10. 2026-07-05 15:17 UTCGHSA enrichment
  11. 2026-07-05 03:07 UTCEG score recompute
  12. 2026-07-05 03:07 UTCGHSA enrichment
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 14:58 UTCEG score recompute
  16. 2026-07-04 14:58 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 02:50 UTCEG score recompute
  19. 2026-07-04 02:50 UTCGHSA enrichment
  20. 2026-07-03 14:40 UTCEG score recompute
  21. 2026-07-03 14:40 UTCGHSA enrichment
  22. 2026-07-03 02:32 UTCEG score recompute
  23. 2026-07-03 02:31 UTCGHSA enrichment
  24. 2026-07-02 14:23 UTCEG score recompute
  25. 2026-07-02 14:23 UTCGHSA enrichment
Show 16 more
  1. 2026-07-02 02:15 UTCEG score recompute
  2. 2026-07-02 02:15 UTCGHSA enrichment
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 14:06 UTCEG score recompute
  6. 2026-07-01 14:06 UTCGHSA enrichment
  7. 2026-07-01 01:58 UTCEG score recompute
  8. 2026-07-01 01:58 UTCGHSA enrichment
  9. 2026-06-30 23:22 UTCEPSS rescore
  10. 2026-06-30 13:49 UTCEG score recompute
  11. 2026-06-30 13:49 UTCGHSA enrichment
  12. 2026-06-30 01:41 UTCEG score recompute
  13. 2026-06-30 01:41 UTCGHSA enrichment
  14. 2026-06-29 15:26 UTCNVD updateCVSS v4 → 5.5
  15. 2026-06-29 13:33 UTCEG score recompute
  16. 2026-06-29 13:32 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13566?
CVE-2026-13566 is a high vulnerability published on June 29, 2026. A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /preview3.php. The manipulation of the argument courseyearsection leads to sql injection. The attack may be initiated remotely. The exploit is…
When was CVE-2026-13566 disclosed?
CVE-2026-13566 was first published in the National Vulnerability Database on June 29, 2026, with the most recent update on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13566 actively exploited?
CVE-2026-13566 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13566?
CVE-2026-13566 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-13566?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13566, 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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