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wpvulndbJohn Jefferson LiWPVDB-ID:F296DE1C-B70B-4829-ABA7-4AFA24F64C51
HistoryJan 22, 2024 - 12:00 a.m.

Popup Box Pro < 20.9.0 - Admin+ Stored XSS

2024-01-2200:00:00
John Jefferson Li
wpscan.com
5
popup box pro
version 20.9.0
admin
stored xss
vulnerability
unfiltered_html disallowed
arbitrary scripts

5.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

Description The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

PoC

Create/edit a new popup and add the following payload in the Custom Content: Save, and notice the alert box appearing when visiting the blog

CPENameOperatorVersion
eq20.9.0

5.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

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