EUVD-2026-47811Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion 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 – Jul 27, 2026
Arbitrary PHP code execution in the Regular Labs Sourcerer extension for Joomla versions 1.0.0 through 12.2.8 allows remote attackers with article editing access to execute arbitrary code on the server. The flaw stems from missing Super User checks in the Free edition and inconsistent permission enforcement across article owners, PHP/CSS/JavaScript settings, tag attributes, and file includes in the Pro edition. No public exploit or active exploitation is confirmed at this time, and the EPSS score indicates low exploitation probability (0.19%), though the CVSS base score is 9.8.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (Joomla) · only source for this CVE.
CVSS VectorVendor: Joomla
Lifecycle Timeline
3DescriptionCVE.org
Free did not require both the article creator and last modifier to be Super Users before executing article PHP. Pro did not consistently enforce configured CSS, JavaScript and PHP permissions across tags, attributes, files and both article owners. PHP include attributes could also escape the configured include folder, and executable script/style variants could bypass detection.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Vulnrichment
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
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
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GitHub PoC
Exploit-DB