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Felipe Restrepo RodriguezWPEX-ID:B604AFC8-61D0-4E98-8950-F3D29F9E9EE1

HistoryMay 10, 2023 - 12:00 a.m.

Hostel < 1.1.5.2 - Admin+ Stored XSS

2023-05-1000:00:00

Felipe Restrepo Rodriguez

hostel

admin

stored

xss

manage rooms

update

room title

edit

exploit

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

23.5%

JSON

The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

1. Go to Manage Rooms and click on "Click here to add room".

2. Update the Room title field as "autofocus onfocus=alert(1)//

3. Go back and select edit the Room that you have created and to trigger the XSS.

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

23.5%

JSON

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