CVE-2021-24808

The BP Better Messages WordPress plugin before 1.9.9.41 sanitise (with sanitize_text_field) but does not escape the 'subject' parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
WPScanCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 43%
VendorProductVersion
wordplusbetter_messages
𝑥
< 1.9.9.41
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php
https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4
https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php
https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4