EUVD-2026-42060
GHSA-7vw9-q236-92vj
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/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
PR:H reflects required high-privilege injection; S:C because XSS executes in victim's browser context; C:L/I:L for session theft and page manipulation; no availability impact.
Primary rating from Vendor (Joomla).
CVSS VectorVendor: Joomla
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/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
Lifecycle Timeline
1DescriptionCVE.org
Lack of validation leads to an XSS vulnerability in the MFA management views.
AnalysisAI
Cross-site scripting in Joomla! CMS multi-factor authentication management views allows a high-privileged attacker to inject persistent malicious scripts that execute in the browser of any administrator who subsequently views the MFA management interface. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a high-privileged Joomla! … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/E:U) presents a moderate risk profile with a decisive limiting factor: PR:H confirms that the attacker must already hold high-level administrative privileges to inject the malicious payload. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who already holds a Super User or Administrator account on a Joomla! instance navigates to the MFA method management interface and injects a malicious JavaScript payload into an inadequately validated field - such as a method label or configuration parameter. … |
| Remediation | Upgrade Joomla! … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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