Security readout for executives and security teams
Plain-English summary
CVE-2022-47421 is a stored cross-site scripting issue in WordPress ARMember free and premium plugins. An authenticated administrator-level user could save malicious content that later runs in another user's browser. Business risk is moderate because attacker privileges are high, but successful abuse can affect confidentiality, integrity, and availability within the WordPress context.
Executive priority
Treat as a scheduled remediation item unless ARMember is used on high-value sites or administrator compromise is suspected. Prioritize inventory and vendor-version confirmation first because affected ranges and fixes are incomplete in the provided sources.
Technical view
The CVE describes authenticated admin-plus stored XSS, CWE-79, in Repute InfoSystems ARMember free and premium plugins. CVSS 3.1 is 5.9 with network access, low complexity, high privileges, required user interaction, changed scope, and low CIA impacts. Patchstack references identify ARMember free 4.0.4 common messages settings and premium 5.8.
Likely exposure
Exposure is limited to WordPress sites running Repute InfoSystems ARMember free package armember-membership or premium package armember, especially versions identified by Patchstack titles. The bundle does not provide complete affected version ranges.
Exploitation context
The source bundle does not show known active exploitation, and CISA KEV status is false. Exploitation requires authenticated administrator-level access and user interaction, reducing broad internet-scale risk but leaving concern for compromised admins or insider abuse.
Researcher notes
Evidence is sparse. The CVE confirms the vulnerability class and CVSS vector, while Patchstack titles provide product/version context. The bundle does not include exploit details, proof of exploitation, complete version ranges, or explicit fixed versions.
Mitigation direction
- Inventory WordPress sites for ARMember free or premium plugin installations.
- Check Repute InfoSystems and Patchstack guidance for fixed versions or vendor-supported remediation.
- Restrict WordPress administrator access to trusted accounts until remediation is confirmed.
- Review ARMember settings, especially common messages, for unexpected scripts or markup.
- If no fixed version is available, seek vendor guidance before temporary disablement.
Validation and detection
- Confirm whether armember-membership or armember is installed on each WordPress site.
- Record installed ARMember versions and compare them with Patchstack and vendor advisories.
- Review administrator accounts for compromise, unused access, and excessive privileges.
- Inspect ARMember configurable message fields for suspicious stored HTML or script content.
- Check WordPress logs for recent administrator changes to ARMember settings.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2022-47421 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
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
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:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://patchstack.com/database/vulnerability/armember-membership/wordpress-armember-plugin-4-0-4-stored-cross-site-scripting-xss-on-common-messages-settings?_s_id=cveCVE reference · vdb-entry
- https://patchstack.com/database/vulnerability/armember/wordpress-armember-premium-wordpress-membership-plugin-plugin-5-8-stored-cross-site-scripting-xss?_s_id=cveCVE reference · vdb-entry
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 Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.