5.4

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2019-16904

CVE-2019-16904: TeamPass Cross-site Scripting (XSS) vulnerability

TeamPass 2.1.27.36 allows XSS by setting a crafted password for an item in a folder, and then sharing that item with an admin. (The crafted password is exploitable when viewing the change history, or the previous used password field.)

(GitHub Advisory)

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CVE-2019-16904

CVE-2019-16904:

5.4

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
nilsteampassnet/teampass	composer	<= 2.1.27.36

Technical Details

Vulnerability Intelligence
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Root Cause Analysis

The vulnerability occurs because stored passwords in the change history and previous password fields are rendered without proper output encoding. The GitHub issue #2685 explicitly states there is no filtration in these fields. Functions responsible for rendering these fields (e.g., displaying historical passwords or previous passwords) are the logical points of failure. While the exact function names aren't provided in the public disclosures, TeamPass's structure suggests these functions would reside in items.php, which handles item-related operations. The high confidence stems from the clear attack vector (unfiltered output in specific UI components) and the vulnerability's reproducibility as described.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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