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Online Book Store System CVE-2026-15540

| EUVDEUVD-2026-43296 LOW
PHP Remote File Inclusion (CWE-98)
2026-07-13 VulDB GHSA-gxqv-hc62-jvc7
Information Disclosure LFI PHP Online Book Store 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:L/UI:N/VC:L/VI:N/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
2.7 LOW

Admin panel access requires high privileges (PR:H); LFI yields limited file read (C:L) with no integrity or availability impact.

3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/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:L/UI:N/VC:L/VI:N/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
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
Analysis Generated
Jul 13, 2026 - 08:23 vuln.today
Severity Changed
Jul 13, 2026 - 08:22 NVD
MEDIUM LOW
CVSS changed
Jul 13, 2026 - 08:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Jul 13, 2026 - 06:30 cve.org
LOW 2.1

DescriptionCVE.org

A vulnerability was detected in SourceCodester Online Book Store System 1.0. The affected element is an unknown function of the file /admin/index.php of the component Administrative Interface. Performing a manipulation of the argument page results in improper control of filename for include/require statement in php program. It is possible to initiate the attack remotely. The exploit is now public and may be used.

AnalysisAI

Local File Inclusion (LFI) in SourceCodester Online Book Store System 1.0 allows authenticated remote attackers to read arbitrary files on the server by manipulating the page parameter in /admin/index.php, leading to source code and sensitive file disclosure. The vulnerability stems from unsanitized user input passed directly to PHP's include/require statement (CWE-98), with a publicly available proof-of-concept exploit documented on Medium. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain admin credentials (phishing/reuse)
Delivery
Authenticate to /admin/index.php
Exploit
Inject path traversal payload in page parameter
Execution
PHP include() resolves attacker-controlled path
Persist
Read arbitrary local files accessible to web process
Impact
Disclose source code or credentials
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Vulnerability AssessmentAI

Exploitation The attacker must possess valid credentials for the administrative interface at `/admin/index.php` - this is an authenticated attack path requiring at minimum low-privileged admin access (CVSS PR:L as assessed by VulDB, though admin panel access more typically maps to PR:H). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is low despite network accessibility. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with valid admin credentials accesses the administrative panel at `/admin/index.php` and submits a crafted request such as `?page=../../../../../../etc/passwd` or a path targeting PHP source files. Because the `page` value is passed unsanitized to PHP's include statement, the server reads and returns the targeted file's contents. …
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-2026-15540 vulnerability details – vuln.today
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