Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in the WordPress Private Google Calendars plugin through version 20231125. A logged-in lower-privileged user could save malicious content that later runs in another user’s browser. Business risk is moderate because exploitation needs an account and user interaction, but WordPress admin exposure can still matter.
Executive priority
Treat as a moderate WordPress application risk. Prioritize sites with many contributors, public registration, or sensitive admin sessions. This does not appear KEV-listed, but remediation should be scheduled promptly once vendor guidance is confirmed.
Technical view
CVE-2023-52198 is CWE-79 stored XSS in Michiel van Eerd Private Google Calendars for WordPress through 20231125. CVSS 3.1 is 6.5 with network access, low complexity, low privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Likely exposed systems are WordPress sites running the private-google-calendars plugin at version 20231125 or earlier, especially where Contributor-level or other low-privileged users can create or edit plugin-related content.
Exploitation context
The provided sources do not show known active exploitation, and CISA KEV status is false. Exploitation requires an authenticated user and a victim action, consistent with stored XSS rather than unauthenticated remote compromise.
Researcher notes
Evidence is limited to CVE and Patchstack metadata. The affected range is stated as through 20231125, but the supplied bundle does not name a fixed version. Do not assert exploitation in the wild without additional evidence.
Mitigation direction
- Inventory WordPress sites for the private-google-calendars plugin and deployed version.
- Check Patchstack and vendor guidance for a fixed release or official mitigation.
- Update the plugin if a vendor-supported fixed version is available.
- Disable or remove the plugin where it is not business-critical.
- Limit Contributor-level access until the plugin is confirmed remediated.
Validation and detection
- Confirm whether each site runs private-google-calendars version 20231125 or earlier.
- Review WordPress user roles with Contributor or similar low-privilege posting rights.
- Check recent plugin-related content changes by low-privileged accounts.
- Verify vendor or Patchstack status before marking the issue remediated.
- Look for unusual admin-page behavior without using production exploit payloads.
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-2023-52198 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/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.