EUVD-2026-77170
GHSA-3fp8-434r-4f6h
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Reflected XSS requires no privileges and no server-side auth, but needs user interaction; scope changes as script runs in victim browser context.
Primary rating from Vendor (vuldb).
CVSS VectorVendor: vuldb
Lifecycle Timeline
1DescriptionCVE.org
A security vulnerability has been detected in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /subject1.php. Such manipulation of the argument subject leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
AnalysisAI
Reflected cross-site scripting in SourceCodester Class and Exam Timetabling System 1.0 allows remote attackers to inject arbitrary JavaScript into victim browsers by manipulating the subject parameter of /subject1.php. A public proof-of-concept exploit has been disclosed via a GitHub issue. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires: (1) the target application is running SourceCodester Class and Exam Timetabling System 1.0 and the `/subject1.php` endpoint is accessible over the network; (2) a victim user must be socially engineered into clicking a crafted URL (UI:P - passive interaction); (3) no authentication is required from the attacker to deliver the payload (PR:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is low-to-minimal. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been identified at time of analysis - no patched version number appears in any referenced source. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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