High severity · published Jun 29, 2026
CVE-2026-13521
SourceCodester Class and Exam Timetabling System preview5.php sql injection
7.3
CVSS
0.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Class and Exam Timetabling System · SourceCodester
1.0; 5.php · source: vendor
Affected product
CA
Class and Exam Timetabling System
SourceCodester
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-13521
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-13521
github.com
https://github.com/xiaoxuxu233/myCVE/issues/2
vuldb.com
https://vuldb.com/cve/CVE-2026-13521
vuldb.com
https://vuldb.com/submit/839572
vuldb.com
https://vuldb.com/vuln/374529
vuldb.com
https://vuldb.com/vuln/374529/cti
www.sourcecodester.com
https://www.sourcecodester.com/
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