CVE-2026-13527

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 weekElevated
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 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(high)
EPSS
17.7%
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 36× in last 7d / 46× 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. 2026-07-06 23:56 UTCEG score recompute
  2. 2026-07-06 23:56 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 12:11 UTCEG score recompute
  5. 2026-07-06 12:11 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 00:21 UTCEG score recompute
  8. 2026-07-06 00:21 UTCGHSA enrichment
  9. 2026-07-05 12:34 UTCEG score recompute
  10. 2026-07-05 12:34 UTCGHSA enrichment
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-05 02:30 UTCEPSS rescore
  13. 2026-07-05 00:49 UTCEG score recompute
  14. 2026-07-05 00:49 UTCGHSA enrichment
  15. 2026-07-04 13:03 UTCEG score recompute
  16. 2026-07-04 13:03 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 01:18 UTCEG score recompute
  19. 2026-07-04 01:18 UTCGHSA enrichment
  20. 2026-07-03 13:33 UTCEG score recompute
  21. 2026-07-03 13:33 UTCGHSA enrichment
  22. 2026-07-03 01:47 UTCEG score recompute
  23. 2026-07-03 01:47 UTCGHSA enrichment
  24. 2026-07-02 14:02 UTCEG score recompute
  25. 2026-07-02 14:02 UTCGHSA enrichment
Show 21 more
  1. 2026-07-02 02:16 UTCEG score recompute
  2. 2026-07-02 02:16 UTCGHSA enrichment
  3. 2026-07-01 15:06 UTCEPSS rescore
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 14:30 UTCEG score recompute
  6. 2026-07-01 14:30 UTCGHSA enrichment
  7. 2026-07-01 02:45 UTCEG score recompute
  8. 2026-07-01 02:45 UTCGHSA enrichment
  9. 2026-06-30 23:22 UTCEPSS rescore
  10. 2026-06-30 15:00 UTCEG score recompute
  11. 2026-06-30 14:59 UTCGHSA enrichment
  12. 2026-06-30 03:14 UTCEG score recompute
  13. 2026-06-30 03:14 UTCGHSA enrichment
  14. 2026-06-29 17:26 UTCNVD updateCVSS v4 → 5.5
  15. 2026-06-29 16:13 UTCMITRE cvelistV5CVSS v4 → 6.9
  16. 2026-06-29 15:28 UTCEG score recompute
  17. 2026-06-29 15:28 UTCGHSA enrichment
  18. 2026-06-29 14:06 UTCEPSS rescore
  19. 2026-06-29 06:03 UTCNVD updateCVSS v4 → 5.5
  20. 2026-06-29 03:42 UTCEG score recompute
  21. 2026-06-29 03:42 UTCMITRE cvelistV5first tracked

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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 17.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13527?
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

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