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Online Examination System CVE-2026-86238

| EUVDEUVD-2026-72186 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-09-07 VulDB GHSA-5pgg-ww8w-23gr
PHP XSS Online Examination System Projectworlds
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 requires victim browser interaction (UI:R), scope changes to victim browser context (S:C), with low confidentiality (session data) and integrity impact.

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:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

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

Lifecycle Timeline

4
Severity Changed
Sep 07, 2026 - 01:22 NVD
MEDIUM LOW
CVSS changed
Sep 07, 2026 - 01:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
Sep 07, 2026 - 01:14 vuln.today
CVE Published
Sep 07, 2026 - 00:30 cve.org
MEDIUM 5.3

DescriptionCVE.org

A vulnerability was determined in projectworlds Online Examination System 1.0. The affected element is an unknown function of the file feedback.php of the component Feedback Form. Executing a manipulation of the argument Name/Subject can lead to cross site scripting. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

AnalysisAI

Reflected cross-site scripting in projectworlds Online Examination System 1.0 allows unauthenticated remote attackers to inject arbitrary JavaScript via the Name and Subject parameters of feedback.php. Exploitation delivers malicious script payload to any user whose browser renders the tampered response, enabling session hijacking, credential theft, or defacement within the application context. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Delivery
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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation No authentication is required - the Feedback Form in feedback.php is accessible to unauthenticated remote users (PR:N, AV:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 5.3 (Medium) reflects the user-interaction requirement (UI:P) and the limited integrity-only impact (VI:L) recorded in the vendor's scoring - however, practical XSS exploitation routinely achieves session token theft that exceeds what the baseline vector captures. … 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. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-86238 vulnerability details – vuln.today
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