CVE-2020-7776
Cross-site scripting in phpoffice/phpspreadsheet
6.4
MEDIUM
CVSS 3.1
EPSS 1.3%
描述
This affects the package phpoffice/phpspreadsheet. The library is vulnerable to XSS when creating an html output from an excel file by adding a comment on any cell. The root cause of this issue is within the HTML writer where user comments are concatenated as part of link and this is returned as HTML.
如何修補 CVE-2020-7776
要修補 CVE-2020-7776,請將受影響套件升級到下列已修補版本。
- —未列出修補版本
- —升級至 1.16.0 或更新版本
CVE-2020-7776 正在被利用嗎?
低 — EPSS 為 1.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, <= 1.8.2
- from 0, < 1.16.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
參考連結(6)
- ADVISORYnvd.nist.gov/vuln/detail/CVE-2020-7776
- WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/phpoffice/phpspreadsheet/CVE-2020-7776.yaml
- WEBgithub.com/PHPOffice/PhpSpreadsheet/blob/master/src/PhpSpreadsheet/Writer/Html.php%23L1792
- WEBgithub.com/PHPOffice/PhpSpreadsheet/commit/0ed5b800be2136bcb8fa9c1bdf59abc957a98845