EUVD-2026-17347
GHSA-65q8-p76v-6qj6
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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
4Description
Stored Cross-Site Scripting (XSS) in Teampass versions prior to 3.1.5.16, affecting the password manager's password import functionality at the endpoint 'redacted/index.php?page=items'. The application fails to properly sanitize and encode user-input data during the import process, allowing malicious JavaScript payloads to be persistently stored in the database. When other users view the imported passwords, the payload is automatically executed in their browsers, resulting in a stored XSS condition at the endpoint 'redacted/index.php?page=items'. Exploiting this vulnerability allows an attacker to execute arbitrary JavaScript code in the context of multiple users and the administrator, which can lead to session hijacking, credential theft, privilege abuse, and compromise of application integrity.
Analysis
Stored cross-site scripting in Teampass password manager versions before 3.1.5.16 enables unauthenticated remote attackers to inject malicious JavaScript through the password import functionality, achieving persistent code execution in victims' browsers including administrators. CVSS 9.3 (Critical) with EPSS data unavailable, no KEV listing, and patch available per vendor advisory. …
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Remediation
Within 24 hours: Identify all Teampass deployments and document current versions in use. Within 7 days: Upgrade all Teampass instances to version 3.1.5.16 or later per vendor advisory; disable password import functionality on affected versions if upgrade is not immediately feasible. …
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