CVE-2021-24809

BP Better Messages < 1.9.9.41 - Multiple CSRF

HIGH
8.8
CVSS Score
Published: November 1, 2021 at 08:46 AM UTC
Updated: June 17, 2026 at 03:40 AM UTC
1 product affected across 1 vendorBetter Messages

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%

Description

The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of its AJAX actions: bp_better_messages_leave_chat, bp_better_messages_join_chat, bp_messages_leave_thread, bp_messages_mute_thread, bp_messages_unmute_thread, bp_better_messages_add_user_to_thread, bp_better_messages_exclude_user_from_thread. This could allow attackers to make logged in users do unwanted actions

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v < 1.9.9.41
Affected range stops below 1.9.9.41, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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