CVE-2021-24808

Public Exploit
BP Better Messages < 1.9.9.41 - Reflected Cross-Site Scripting

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

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory wordpress.org Third-Party Advisory wpscan.com
Affected: Unknown BP Better Messages
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/53ff82ec-00ec-4b20-8f60-db9db8c025b4 third party advisory exploit
https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/views/layout-new.php third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-24808?
CVE-2021-24808 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24808?
To fix CVE-2021-24808, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24808 being actively exploited in the wild?
It is possible that CVE-2021-24808 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24808?
CVE-2021-24808 affects Unknown BP Better Messages.
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