CVE-2026-78055 SourceCodester CVE debrief

Who should care

Defenders responsible for SourceCodester Class and Exam Timetabling System 1.0 deployments should assess exposure and prioritize verification of inventory and potential impact. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify the presence of this vulnerability in their systems, assess the potential impact of cross-site scripting, and monitor for publicly disclosed exploits.

Why it matters

CVE-2026-78055 is a cross-site scripting vulnerability in SourceCodester Class and Exam Timetabling System 1.0. Defenders should prioritize verifying inventory, assessing impact, and monitoring for exploits.

• Defenders should verify the presence of this vulnerability in their inventory
• Assess the potential impact of cross-site scripting on systems
• Monitor for publicly disclosed exploits and consider compensating controls
• Prioritize remediation or verification based on system criticality

Technical summary

The vulnerability is located in the /BSIT2.php file of the SourceCodester Class and Exam Timetabling System 1.0. The manipulation of the course argument leads to cross-site scripting. Remote exploitation is possible. Defenders should verify the presence of this vulnerability in their inventory, assess the potential impact on their systems, and monitor for publicly disclosed exploits. The affected product context suggests that operators and security teams should prioritize verification and potential impact assessment.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing the potential impact on their systems.

Recommended defensive actions

• Verify the presence of SourceCodester Class and Exam Timetabling System 1.0 in your inventory
• Assess the potential impact of cross-site scripting on your systems
• Monitor for publicly disclosed exploits and consider compensating controls
• Prioritize remediation or verification based on system criticality
• Review vendor guidance for patching or mitigation
• Track exceptions and retest remediated assets
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD entry provide information about the vulnerability in SourceCodester Class and Exam Timetabling System 1.0. However, the scope of affected versions and systems requires further verification by defenders. They should check for the presence of this vulnerability in their inventory, assess potential impact, and monitor for publicly disclosed exploits. Evidence is limited, and verification tasks are needed to confirm exposure.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.