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wpvulndbDaniel RufWPVDB-ID:DBAC391B-FC48-4E5E-B63A-2B3DDB0D5552
HistoryJul 06, 2022 - 12:00 a.m.

Flexi Quote Rotator <= 0.9.4 - Admin+ Stored Cross-Site Scripting

2022-07-0600:00:00
Daniel Ruf
wpscan.com
3

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

The plugin does not sanitise and escape its settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

PoC

Add the following payload to a new quote:

CPENameOperatorVersion
flexi-quote-rotatoreq*

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

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