BP Better Messages <= 1.9.9.37 - Reflected Cross-Site Scripting

2021-10-04 00:00

Brandon James Roldan (tomorrowisnew)

Strategic Overview

Status

Patched in 1.9.9.41

Affected PluginBetter Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots

Affected Version< 1.9.9.41

CVSS6.1Medium

CVECVE-2021-24808

View all Better Messages – Chat Rooms, Group Chat, Private Messages & AI Chat Bots vulnerabilities

Vulnerability Overview

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

Technical Analysis

REMEDIATION: Update to version 1.9.9.41, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24808 https://www.wordfence.com/threat-intel/vulnerabilities/id/c322841a-4134-4c21-8028-0ccacd46335b

CVSS Vector

6.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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