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Vulnerability record · CVE-2026-3106 · published 31 March 2026

CVE-2026-3106: Teampass cross-site scripting vulnerability

Teampass · Teampass

Blind Cross-Site Scripting (XSS) in Teampass, versions prior to 3.1.5.16, within the password manager login functionality in the 'contraseña' parameter of the login form 'redacted/index.php'. During failed authentication attempts, the application does not properly clean or encode the information entered by the user in the username field. As a result, arbitrary JavaScript code is automatically executed in the administrator's browser when viewing failed login entries, resulting in a blind XSS condition.

9.3 CVSS 4.0 Critical EPSS 0.27% · top 83.1% CWE-79 · Cross-site scripting
9.3CVSS 4.0 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

Blind Cross-Site Scripting (XSS) in Teampass, versions prior to 3.1.5.16, within the password manager login functionality in the 'contraseña' parameter of the login form 'redacted/index.php'. During failed authentication attempts, the application does not properly clean or encode the information entered by the user in the username field. As a result, arbitrary JavaScript code is automatically executed in the administrator's browser when viewing failed login entries, resulting in a blind XSS condition.

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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-teampass Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-1000001Teampass insufficiently protected credentials vulnerabilityTeamPass version 2.1.27 and earlier contains a Storing Passwords in a Recoverable Format vulnerability in Shared password vaults that can result in a…EPSS 1.7%9.8CVE-2017-9436Teampass sql injection vulnerabilityTeamPass before 2.1.27.4 is vulnerable to a SQL injection in users.queries.php.EPSS 1.0%9.8CVE-2015-7564Teampass sql injection vulnerabilityMultiple SQL injection vulnerabilities in TeamPass 2.1.24 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) id paramet…EPSS 3.4%9.3CVE-2026-3107Teampass cross-site scripting vulnerabilityStored Cross-Site Scripting (XSS) in Teampass versions prior to 3.1.5.16, affecting the password manager's password import functionality at the endpo…EPSS 0.23%9.0CVE-2023-3086Teampass cross-site scripting vulnerabilityCross-site Scripting (XSS) - Stored in GitHub repository nilsteampassnet/teampass prior to 3.0.9.EPSS 0.91%8.8CVE-2023-2859Teampass code injection vulnerabilityCode Injection in GitHub repository nilsteampassnet/teampass prior to 3.0.9.EPSS 1.6%8.8CVE-2020-12479Teampass path traversal vulnerabilityTeamPass 2.1.27.36 allows any authenticated TeamPass user to trigger a PHP file include vulnerability via a crafted HTTP request with sources/users.q…EPSS 2.6%8.8CVE-2015-7563Teampass cross-site request forgery vulnerabilityCross-site request forgery (CSRF) vulnerability in TeamPass 2.1.24 and earlier allows remote attackers to hijack the authentication of an authenticat…EPSS 3.1%

Source: NIST National Vulnerability Database (record CVE-2026-3106), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.