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wpexploitLana CodesWPEX-ID:B28150E7-214B-4BCD-85C0-E819C4223484
HistoryJan 13, 2023 - 12:00 a.m.

Happyforms < 1.22.0 - Contributor+ Stored XSS

2023-01-1300:00:00
Lana Codes
56
happyforms
contributor+
stored xss
exploit
additional css
forms
gutenberg block
onmouseover
alert
background

0.001 Low

EPSS

Percentile

23.4%

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.

Exploit Additional CSS class(es) for "Forms" Gutenberg block:

" onmouseover="alert(1)" style="background:red;"

0.001 Low

EPSS

Percentile

23.4%

Related for WPEX-ID:B28150E7-214B-4BCD-85C0-E819C4223484