Mozilla Firefox Security Advisory (MFSA2021-07) - Linux

The remote host is missing an update for Mozilla Firefox, announced via the advisory MFSA2021-07. SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-on...

CVE-2021-23974

creationtimestamp| type| source ---|---|--- 2021-02-26 07:38:46+00:00| seen| Telegram/vHVn14BS7fbSr3osLw4Oq2ez0W6Y8fEShuJgtZI57NYinw...

CVE-2021-23974

The DOMParser API did not properly process '' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox 86...

CVE-2021-23974

CVE-2021-23974 affects Mozilla Firefox earlier than version 86. The root cause is improper handling of elements by the DOMParser API, enabling a mXSS vector that could bypass HTML sanitizers. Affected/related advisories (e.g., MFSA2021-07) confirm the DOMParser issue among Firefox vulnerabilitie...