CVE-2026-11483

MEDIUM 6.9 PoC AVAILABLE

Published 2026-06-08 · Last modified 2026-06-09

A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown function of the file /archive4.php. The manipulation of the argument sy results in sql injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 19th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

6.9CVSS 4.0 · MEDIUM

ConfidentialityLow
IntegrityLow
AvailabilityLow

What an attacker needs

✓Access: Reachable over the network — no local access needed
✓Privileges: No account or privileges required
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable
✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

PoC https://github.com/ssaaaa1234/cve/issues/4

Listed for defensive triage and patch prioritization.

Affected

Vendors Sourcecodester

Products Class And Exam Timetabling System

Weakness (CWE)

CWE-89: SQL injection
CWE-74: Injection

CVSS vector

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

References

Sources: NVD · CVE.org · EPSS