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wpvulndbBob MatyasWPVDB-ID:C43B669F-0377-4402-833C-817B75001888
HistoryAug 02, 2023 - 12:00 a.m.

PostX - Gutenberg Post Grid Blocks < 3.0.6 - Reflected Cross-Site Scripting

2023-08-0200:00:00
Bob Matyas
wpscan.com
2
postx gutenberg plugin
v3.0.6
reflected cross-site scripting
privilege escalation
admin
security vulnerability

0.0005 Low

EPSS

Percentile

17.1%

Description The plugin does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

PoC

Make a logged in admin open the URL below (the post value is the ID of a post/page created with the Site Builder of the plugin) https://example.com/wp-admin/post.php?post=2358&amp;action;=edit&amp;postx;_type=">

CPENameOperatorVersion
ultimate-posteq3.0.6

0.0005 Low

EPSS

Percentile

17.1%

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