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Vautia0BBB1046-EA9E-4CB9-BC91-B294A72D1902

HistoryAug 28, 2022 - 4:44 p.m.

Stored Cross-Site Scripting (XSS)

2022-08-2816:44:56

vautia

www.huntr.dev

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:M/C:P/I:P/A:N

0.001 Low

EPSS

Percentile

17.9%

JSON

Description

Input fields allowing Markdown Input are vulnerable to XSS. This requires Superadmin permissions though.

Proof of Concept

Steps to reproduce:

1. Log in to the admin account
2. Go to Admin -&gt; General Settings
3. Enter the Payload in the `Login Note` and `Dashboard Message` fields.
4. Go to the Dashboard & confirm the XSS in the dasboard message. Logout and confirm the XSS in the login message.

Payload:

[XSS](javascript:alert(document.location))

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:M/C:P/I:P/A:N

0.001 Low

EPSS

Percentile

17.9%

JSON

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