PT-2026-60990 · Sourcecodester · Class/Exam Timetabling System

Justconter · CVE-2026-16155 · Published 2026-07-18 · Updated 2026-07-18

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions SourceCodester Class and Exam Timetabling System version 1.0

Description An issue exists in the /schoolyr.php endpoint where the manipulation of the sy variable allows for cross-site scripting (XSS), a technique used to inject malicious scripts into web pages viewed by other users. This attack can be initiated remotely.

Recommendations Update SourceCodester Class and Exam Timetabling System version 1.0. As a temporary workaround, restrict access to the /schoolyr.php file to minimize the risk of exploitation.

Exploit

Fix

XSS

Code Injection

Weakness Enumeration

CWE-79

CWE-94

Related Identifiers

CVE-2026-16155

Affected Products

Class/Exam Timetabling System

References · 9

• 🔥 https://github.com/justconter/cve/issues/4 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-16155 · Security Note
• https://vuldb.com/submit/857080 · Note
• https://twitter.com/CVEnew/status/2078618651977011446 · Twitter Post
• https://sourcecodester.com · Note
• https://twitter.com/infoflowcloud/status/2078619865561124994 · Twitter Post
• https://vuldb.com/cve/CVE-2026-16155 · Note
• https://vuldb.com/vuln/379920/cti · Note
• https://vuldb.com/vuln/379920 · Note