Threat intelligence

ICS Calendar <= 12.1.1 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-59516 · ics-calendar

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Ics Calendar at a vulnerable version. How SiteRespond intelligence works

Vulnerability: ICS Calendar <= 12.1.1 - Unauthenticated Stored Cross-Site Scripting
Affected software: ics-calendar(Plugin)
Affected versions: ≤ 12.1.1
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-59516
Published: 10 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory ce6cfed1-b19c-4000-81a1-fad13dc526d3). Methodology and redistribution notes

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