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Class Timetabling System CVE-2026-75078

| EUVDEUVD-2026-60555 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-08-17 VulDB GHSA-vv6q-vggw-42pc
PHP XSS Class And Exam Timetabling System
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
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
vuln.today AI
6.1 MEDIUM

Reflected XSS delivered over network with no privileges required, but mandatory user interaction; scope changes to victim browser with limited confidentiality and integrity impact only.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

4
Analysis Generated
Aug 17, 2026 - 23:36 vuln.today
Severity Changed
Aug 17, 2026 - 23:22 NVD
MEDIUM LOW
CVSS changed
Aug 17, 2026 - 23:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Aug 17, 2026 - 23:00 cve.org
LOW 2.1

DescriptionCVE.org

A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /BSHRM1.php. Performing a manipulation of the argument course results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

AnalysisAI

Reflected cross-site scripting in SourceCodester Class and Exam Timetabling System 1.0 allows remote unauthenticated attackers to inject arbitrary JavaScript via the unsanitized course parameter in /BSHRM1.php, executing within the victim's browser session when a crafted link is followed. A public proof-of-concept exploit is available via a GitHub issue, lowering the practical bar for exploitation despite the low CVSS 4.0 score of 2.1. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify network-accessible /BSHRM1.php endpoint
Delivery
Craft URL with XSS payload in course parameter
Exploit
Deliver malicious link to target via phishing
Execution
Victim follows crafted URL
Persist
Browser renders injected script unsanitized
Impact
Execute arbitrary JavaScript in victim browser session
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Vulnerability AssessmentAI

Exploitation Exploitation requires a victim user to follow a crafted URL containing the malicious `course` parameter (UI:P per CVSS 4.0 vector) - passive exposure is insufficient. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 2.1 (AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N) accurately reflects constrained real-world impact: no confidentiality exposure, only limited integrity impact (VI:L), and a mandatory victim interaction step (UI:P). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker identifies a publicly accessible instance of Class and Exam Timetabling System 1.0, then constructs a URL targeting /BSHRM1.php with a `course` parameter embedding a JavaScript payload - for example, a cookie-exfiltration script. The attacker delivers this URL to a target user (student, staff, or administrator) via phishing email or direct message; when the victim clicks the link and the server reflects the unsanitized parameter into the page, the script executes in their browser session. …
Remediation No vendor-released patch or advisory specifying a fixed version has been identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-75078 vulnerability details – vuln.today
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