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Lana CodesWPEX-ID:5FC92954-20CF-4563-806E-E7A8E5CCFC72

HistoryJan 18, 2023 - 12:00 a.m.

Lightbox Gallery < 0.9.5 - Contributor+ Stored XSS via Shortcode

2023-01-1800:00:00

Lana Codes

122

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

12.0%

JSON

The plugin does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

[gallery ids='88' class='" onmouseover="alert(/XSS/)"']

Note: ids is an image attachment id.