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wpvulndbDmitrii IgnatyevWPVDB-ID:A645DAEE-42EA-43F8-9480-EF3BE69606E0
HistoryApr 23, 2024 - 12:00 a.m.

Ultimate Blocks < 3.1.7 - Contributor+ Stored XSS

2024-04-2300:00:00
Dmitrii Ignatyev
wpscan.com
2
plugin vulnerability
stored xss
contributor role.

AI Score

8.3

Confidence

High

EPSS

0

Percentile

9.0%

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

PoC

As a contributor, put the below code in a post while in Code Editor mode:

AI Score

8.3

Confidence

High

EPSS

0

Percentile

9.0%

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