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wpvulndbAsif Nawaz MinhasWPVDB-ID:9579FF13-9597-4A77-8CB9-997E35265D22
HistoryAug 02, 2021 - 12:00 a.m.

Sitewide Notice WP < 2.3 - Authenticated Stored XSS

2021-08-0200:00:00
Asif Nawaz Minhas
wpscan.com
7
sitewide notice
authenticated
stored xss
frontend pages
cross-site scripting
unfiltered_html
capability
poc
plugin
settings
payload
message
software

EPSS

0.001

Percentile

24.8%

The plugin does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

PoC

Put the following payload in the Message setting of the plugin: The XSS will be triggered in all frontend pages

EPSS

0.001

Percentile

24.8%

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