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WS-2021-0074

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Date: August 19, 2025

XSS vulnerability in MolecularFaces via malicious molfiles The viewer plugin implementation of <mol:molecule> renders molfile data directly inside a <script> tag without any escaping. Arbitrary JavaScript code can thus be executed in the client browser via crafted molfiles.

Language: Java

Severity Score

Related Resources (3)

https://github.com/ipb-halle/MolecularFaces/commit/4bf54aff74555214b4fcd3e81a31e07b900f472a
https://github.com/ipb-halle/MolecularFaces/security/advisories/GHSA-2pwh-52h7-7j84
https://www.mend.io/vulnerability-database/WS-2021-0074

Severity Score

Weakness Type (CWE)

Code

CWE-17

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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