Vulnerability CVE-2021-24808
Published: 2021-11-01

Description:
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

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Wordplus -> Bp better messages 
Wordplus -> Better messages 

 References:
https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4
https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php
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