EUVD-2026-79291
GHSA-pvq3-xj8x-x2hv
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
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Alert meAnalysisAIv1 – Sep 15, 2026
An arbitrary file read flaw in the J2Store e-commerce extension for Joomla (versions 1.0.0–3.3.2, 4.0.0–4.0.22 and 4.1.0–4.1.7) lets anyone holding a valid download token/pid pair for a product download retrieve files outside the configured attachment folder. The J2StoreModelOrderdownloads::getFilePath() routine builds the on-disk path by concatenating the attachments directory with the stored product_file_save_name and only runs JPath::clean() plus JFile::exists(), so a ../ segment in that stored value resolves outside the folder and exposes files such as configuration.php to the web server's read permissions. No public exploit code and no CISA KEV listing were identified at time of analysis, but a CVSS 4.0 base score of 8.7 (VC:H, AV:N, PR:N) makes this a serious confidentiality risk for exposed J2Store storefronts.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Primary rating from Vendor (Joomla) · only source for this CVE.
CVSS VectorVendor: Joomla
DescriptionCVE.org
Joomla Extension - j2commerce.com - Arbitrary file read via task=download in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7 - J2StoreModelOrderdownloads::getFilePath() built the on-disk path to a purchased digital download by concatenating the configured attachment folder with the product file's stored product_file_save_name, using only JPath::clean() (which normalises separators but does not resolve or reject .. segments) and a plain JFile::exists() check - never confirming the resolved path stayed inside the configured attachment folder. If a product file's product_file_save_name ever contained a ../ traversal segment - most plausibly via the CSRF-forgeable admin product-file save actions described in Issue 1, but equally by any future integration or bug that writes that field - any customer holding a valid download token/pid pair for that product file could have the traversal resolve to a path outside the attachment folder and download any file readable by the web server (e.g. configuration.php).
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
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