CVE-2026-15595: sourcecodester class and exam timetabling system Cross-site Scripting

Vulnerability summary

CVE-2026-15595 is a medium (CVSS 5.3) Cross-site Scripting vulnerability in sourcecodester class and exam timetabling system. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 13-07-2026
   PublishedVulnerability first disclosed.
2. 14-07-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was determined in SourceCodester Class and Exam Timetabling System 1.0. The affected element is an unknown function of the file /forsubject.php. This manipulation of the argument subject causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
• CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.