Security readout for executives and security teams
Plain-English summary
WordPress sites running Better Messages up to 1.9.10.69 may let a logged-in low-privilege user bypass messaging block controls. The cited impact is limited integrity harm, such as unwanted or blocked communications, not data theft or server takeover.
Executive priority
Treat as a moderate-priority community trust and abuse-control issue. Prioritize remediation for membership, forum, marketplace, or customer communities where blocked-user messaging can create safety, harassment, or moderation risk.
Technical view
CVE-2022-40216 is a CWE-284 authorization weakness in WordPlus Better Messages for WordPress. CVSS 3.1 is 4.3: network-accessible, low complexity, requires subscriber-or-higher authentication, no user interaction, unchanged scope, no confidentiality or availability impact, low integrity impact.
Likely exposure
Exposure is likely limited to WordPress installations using the Better Messages plugin at version 1.9.10.69 or earlier, especially sites with open registration or many subscriber-level users.
Exploitation context
The source bundle does not show KEV listing or cited active exploitation. Abuse requires an authenticated subscriber-or-higher account and appears focused on bypassing message-blocking behavior.
Researcher notes
Evidence supports an authenticated access-control bypass with low integrity impact. The provided sources do not name a fixed version, detailed root cause, exploit availability, or active exploitation, so remediation should be tied to vendor advisory confirmation.
Mitigation direction
- Inventory WordPress sites for Better Messages plugin usage and version.
- Upgrade affected installations after confirming the vendor-supported fixed version.
- If a fixed version is unclear, check WordPress plugin and Patchstack guidance.
- Limit registration and messaging access to trusted users until remediated.
- Monitor reports of blocked users sending messages.
Validation and detection
- Confirm whether Better Messages is installed on each WordPress site.
- Record installed versions and flag 1.9.10.69 or earlier.
- Review messaging settings and user roles exposed to subscribers.
- Check support tickets or logs for blocked-message bypass complaints.
- Verify remediation against vendor or Patchstack advisory details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-40216 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.