CVE-2021-29438

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CVSS 3.1

5.4 medium

EPSS

<1%p51

Published

Apr 13, 2021 (Apr 13, 2021)

Modified

Jun 17, 2026

Description

The Nextcloud dialogs library (npm package @nextcloud/dialogs) before 3.1.2 insufficiently escaped text input passed to a toast. If your application displays toasts with user-supplied input, this could lead to a XSS vulnerability. The vulnerability has been patched in version 3.1.2 If you need to display HTML in the toast, explicitly pass the `options.isHTML` config flag.

Vendors: nextcloud\/dialogs project
Products: nextcloud\/dialogs
Weakness: CWE-79, CWE-80
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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