CVE编号
CVE-2021-41258利用情况
暂无补丁情况
N/A披露时间
2021-11-17漏洞描述
Kirby is an open source file structured CMS. In affected versions Kirby's blocks field stores structured data for each block. This data is then used in block snippets to convert the blocks to HTML for use in your templates. We recommend to escape HTML special characters to protect against cross-site scripting (XSS) attacks. The default snippet for the image block unfortunately did not use our escaping helper. This made it possible to include malicious HTML code in the source, alt and link fields of the image block, which would then be displayed on the site frontend and executed in the browsers of site visitors and logged in users who are browsing the site. Attackers must be in your group of authenticated Panel users in order to exploit this weakness. Users who do not make use of the blocks field are not affected. This issue has been patched in Kirby version 3.5.8 by escaping special HTML characters in the output from the default image block snippet. Please update to this or a later version to fix the vulnerability.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://github.com/getkirby/kirby/pull/3510 | |
| https://github.com/getkirby/kirby/releases/tag/3.5.8 | |
| https://github.com/getkirby/kirby/security/advisories/GHSA-cq58-r77c-5jjw |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | getkirby | kirby | * |
From (including) 3.5.0 |
Up to (including) 3.5.7.1 |
||||
- 攻击路径 网络
- 攻击复杂度 低
- 权限要求 低
- 影响范围 已更改
- 用户交互 需要
- 可用性 无
- 保密性 低
- 完整性 低
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