CVE-2026-85385

Concrete CMS below 9.5.4 did not validate the user timezone value uTimezone on write and rendered it without output encoding on the Dashboard user management page, where Date::getTimezoneDisplayName returns any non-IANA value unchanged. A stored cross-site scripting payload saved in this field...

CVE-2026-85385

Concrete CMS versions below 9.5.4 contain a stored cross-site scripting (XSS) vulnerability in the uTimezone field. The value is not validated on write and is rendered without output encoding on the Dashboard user management page, where Date::getTimezoneDisplayName() passes any non-IANA value thr...

EUVD-2026-80877

Concrete CMS below 9.5.4 did not validate the user timezone value uTimezone on write and rendered it without output encoding on the Dashboard user management page, where Date::getTimezoneDisplayName returns any non-IANA value unchanged. A stored cross-site scripting payload saved in this field...

CVE-2026-85385 Concrete CMS below 9.5.4 is vulnerable to Stored XSS via User Timezone Field

Concrete CMS below 9.5.4 did not validate the user timezone value uTimezone on write and rendered it without output encoding on the Dashboard user management page, where Date::getTimezoneDisplayName returns any non-IANA value unchanged. A stored cross-site scripting payload saved in this field...

CVE-2026-85385 Concrete CMS below 9.5.4 is vulnerable to Stored XSS via User Timezone Field

Concrete CMS below 9.5.4 did not validate the user timezone value uTimezone on write and rendered it without output encoding on the Dashboard user management page, where Date::getTimezoneDisplayName returns any non-IANA value unchanged. A stored cross-site scripting payload saved in this field...

CVE-2026-85385 Concrete CMS below 9.5.4 is vulnerable to Stored XSS via User Timezone Field

Concrete CMS below 9.5.4 did not validate the user timezone value uTimezone on write and rendered it without output encoding on the Dashboard user management page, where Date::getTimezoneDisplayName returns any non-IANA value unchanged. A stored cross-site scripting payload saved in this field...

CVE-2026-85385: Improper Neutralization of Input During Web Page Generation

Concrete CMS below 9.5.4 did not validate the user timezone value uTimezone on write and rendered it without output encoding on the Dashboard user management page, where Date::getTimezoneDisplayName returns any non-IANA value unchanged. A stored cross-site scripting payload saved in this field...

PT-2026-93846

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.4 Description Stored cross-site scripting occurs because the software fails to validate the uTimezone value during write operations and renders it without output encoding on the Dashboard user management page...