What is CVE-2023-52198?

CVE-2023-52198 is a medium-severity vulnerability in Michiel Van Eerd Private Google Calendars, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2024-01-08.

How severe is CVE-2023-52198?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-52198 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Michiel Van Eerd Private Google Calendars

CVE-2023-52198

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Michiel van Eerd Private Google Calendars allows Stored XSS.This issue affects Private Google Calendars: from n/a through 20231125.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-01-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (21.5th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

patchstack.com/database/vulnerability/private-google-calendars/wordpress-privat… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-52198?: CVE-2023-52198 is a medium-severity vulnerability in Michiel Van Eerd Private Google Calendars, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2024-01-08.
How severe is CVE-2023-52198?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-52198 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.