Security readout for executives and security teams
Plain-English summary
This issue affects the WordPress Quick Event Manager plugin through version 9.6.4. A highly privileged user could store malicious script content that later runs in another user’s browser. Business risk is moderate because exploitation requires admin-level access and user interaction, but stored XSS can still affect trust, session security, and site integrity.
Executive priority
Treat as a scheduled remediation item, not an emergency, unless the plugin is widely deployed or administrator accounts are poorly controlled. Prioritize inventory, access review, and vendor-guided update decisions.
Technical view
CVE-2022-46863 is an authenticated stored cross-site scripting issue in Fullworks Quick Event Manager for WordPress, mapped to CWE-79. The CVSS 3.1 score is 5.9 with network attack vector, low complexity, high privileges required, user interaction required, and changed scope.
Likely exposure
Exposure is limited to WordPress sites using Fullworks Quick Event Manager version 9.6.4 or earlier. Risk is highest where many administrators exist, admin accounts are weakly controlled, or admin credentials may already be compromised.
Exploitation context
The source bundle does not show CISA KEV listing or public evidence of active exploitation. The vulnerability requires authenticated admin-level privileges and user interaction, reducing broad opportunistic risk but not eliminating insider or post-compromise abuse.
Researcher notes
Available data identifies the issue class, privilege requirement, CVSS vector, and affected plugin range, but not the vulnerable parameter, patch version, or exploit details. Avoid assuming exploitability beyond authenticated admin stored XSS until vendor details are reviewed.
Mitigation direction
- Inventory WordPress sites for Quick Event Manager installations and versions.
- Check Fullworks or Patchstack guidance for the fixed version or recommended remediation.
- Restrict WordPress administrator access to trusted users only.
- Disable or remove the plugin where it is not business-critical.
- Review recent admin activity for unexpected event or plugin content changes.
Validation and detection
- Confirm whether Quick Event Manager is installed on each WordPress site.
- Record installed plugin versions and flag 9.6.4 or earlier.
- Verify administrator accounts are current, justified, and protected by MFA.
- Review web application logs for suspicious authenticated changes.
- Confirm remediation status against vendor or Patchstack guidance.
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-2022-46863 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
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.