CVE-2019-17022
6.1
MEDIUM
CVSS 3.1
EPSS 2.4%
描述
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not escape < and > characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently copies the node's innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two WYSIWYG editors were identified with this behavior, more may exist. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
如何修補 CVE-2019-17022
要修補 CVE-2019-17022,請將受影響套件升級到下列已修補版本。
- —升級至 68.4.0esr-1 或更新版本
- —升級至 1:68.4.1-1 或更新版本
CVE-2019-17022 正在被利用嗎?
低 — EPSS 為 2.4%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 68.4.0esr-1
- from 0, < 1:68.4.1-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |