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CVE-2026-13521

SourceCodester Class and Exam Timetabling System preview5.php sql injection

CVSS 6.9 MEDIUMEPSS 0.3%CWE-74CWE-89
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 6.9EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
29 Jun 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0/5.php. Affected by this vulnerability is an unknown functionality of the file /preview5.php. Such manipulation of the argument course_year_section leads to sql injection. The attack may be performed from remote. The exploit is publicly available and might be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
SourceCodester · Class and Exam Timetabling System
public PoCs found — 1
cve_referencegithub.com/xiaoxuxu233/myCVE/issues/2unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/xiaoxuxu233/myCVE/issues/2https://vuldb.com/cve/CVE-2026-13521https://vuldb.com/submit/839572https://vuldb.com/vuln/374529https://vuldb.com/vuln/374529/ctihttps://www.sourcecodester.com/