Medium severity · published Nov 1, 2021
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,…
6.1
CVSS
0.9%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BM
Better Messages · Wordplus
before 1.9.9.41 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24808
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24808
Patch
https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php
Exploit
https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4
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