CVE-2021-23984
6.5
MEDIUM
CVSS 3.1
EPSS 0.29%
描述
A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
如何修補 CVE-2021-23984
要修補 CVE-2021-23984,請將受影響套件升級到下列已修補版本。
- —升級至 78.9.0esr-1 或更新版本
- —升級至 1:78.9.0-1 或更新版本
CVE-2021-23984 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 78.9.0esr-1
- from 0, < 1:78.9.0-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |