5.8
MEDIUM CVSS 2.0
CVE-2026-15539
SourceCodester Online Book Store System Book Image Upload Feature index.php books unrestricted upload
Description

A security vulnerability has been detected in SourceCodester Online Book Store System 1.0. Impacted is an unknown function of the file /admin/index.php?page=books of the component Book Image Upload Feature. Such manipulation leads to unrestricted upload. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

INFO

Published Date :

July 13, 2026, 7:16 a.m.

Last Modified :

July 13, 2026, 4:57 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-15539 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sourcecodester online_book_store_system
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Restrict file uploads by implementing proper validation and sanitization.
  • Validate uploaded file types and sizes.
  • Sanitize uploaded file contents.
  • Implement access controls for uploaded files.
  • Update the system to a secure version.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-15539 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-15539 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-15539 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 13, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-15539', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-13T14:47:59.519430Z'}
  • New CVE Received by [email protected]

    Jul. 13, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:sourcecodester:online_book_store_system:*:*:*:*:*:*:*:*'], 'vendor': 'SourceCodester', 'modules': ['Book Image Upload Feature'], 'product': 'Online Book Store System', 'versions': [{'status': 'affected', 'version': '1.0'}]}]
    Added Description A security vulnerability has been detected in SourceCodester Online Book Store System 1.0. Impacted is an unknown function of the file /admin/index.php?page=books of the component Book Image Upload Feature. Such manipulation leads to unrestricted upload. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/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
    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:M/C:P/I:P/A:P)
    Added CWE CWE-284
    Added CWE CWE-434
    Added Reference https://medium.com/@hemantrajbhati5555/critical-authenticated-remote-code-execution-rce-via-unrestricted-file-upload-5a4a313ea1f1
    Added Reference https://vuldb.com/cve/CVE-2026-15539
    Added Reference https://vuldb.com/submit/855046
    Added Reference https://vuldb.com/vuln/377889
    Added Reference https://vuldb.com/vuln/377889/cti
    Added Reference https://www.sourcecodester.com/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.