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Daily Expense Tracker CVE-2026-90845

| EUVDEUVD-2026-78231 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-09-15 VulDB GHSA-mvhf-v9x4-ww6j
2.0
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.0 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
5.4 MEDIUM

Network-reachable stored XSS requiring attacker authentication (PR:L) and victim page view (UI:R); scope changes to victim browser with low C and I impact.

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

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
P
Scope
X

Lifecycle Timeline

4
Analysis Generated
Sep 15, 2026 - 07:35 vuln.today
Severity Changed
Sep 15, 2026 - 01:22 NVD
MEDIUM LOW
CVSS changed
Sep 15, 2026 - 01:22 NVD
5.1 (MEDIUM) 2.0 (LOW)
CVE Published
Sep 15, 2026 - 00:30 cve.org
LOW 2.0

DescriptionCVE.org

A flaw has been found in PHPGurukul Daily Expense Tracker System 1.1. This issue affects some unknown processing of the file /dets/includes/sidebar.php. Executing a manipulation of the argument FullName can lead to cross site scripting. The attack can be executed remotely. The exploit has been published and may be used.

AnalysisAI

Stored cross-site scripting in PHPGurukul Daily Expense Tracker System 1.1 allows an authenticated attacker to inject malicious JavaScript via the FullName parameter handled by /dets/includes/sidebar.php. Because sidebar content is rendered for other users viewing the application, the payload executes in victims' browsers, enabling session hijacking or credential theft against other authenticated users or administrators. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires: (1) an authenticated session on the application - the attacker must have a valid user account (PR:L); (2) the vulnerable application must be running PHPGurukul Daily Expense Tracker System 1.1 with the sidebar rendered from /dets/includes/sidebar.php; (3) a second authenticated user (or admin) must passively view any page rendering the sidebar after the attacker has set a malicious FullName value (UI:P). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 2.0 (AV:N/AC:L/AT:N/PR:L/UI:P) accurately reflects the limited real-world impact: exploitation requires an authenticated session (PR:L) and passive user interaction from a victim (UI:P). … 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 version has been independently confirmed at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-90845 vulnerability details – vuln.today

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