Vulnerability · Published Jul 13, 2026 · Assigned by Patchstack
CVE-2026-59516WordPress ICS Calendar plugin <= 12.1.1 - Cross Site Scripting (XSS) vulnerability
High 7.1
In plain English
A high-severity cross-site scripting in ICS Calendar from Room 34 Creative Services, LLC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.3%top 83.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Room 34 Creative Services, LLC ICS Calendar ics-calendar allows Reflected XSS.This issue affects ICS Calendar: from n/a through <= 12.1.1.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Room 34 Creative Services, LLC | ICS Calendar | 0 – through 12.1.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L