CVE-2024-34064— Pallets Jinja 安全漏洞

Jinja vulnerable to HTML attribute injection when passing user input as keys to xmlattr filter

Jinja is an extensible templating engine. The `xmlattr` filter in affected versions of Jinja accepts keys containing non-attribute characters. XML/HTML attributes cannot contain spaces, `/`, `>`, or `=`, as each would then be interpreted as starting a separate attribute. If an application accepts keys (as opposed to only values) as user input, and renders these in pages that other users see as well, an attacker could use this to inject other attributes and perform XSS. The fix for CVE-2024-22195 only addressed spaces but not other characters. Accepting keys as user input is now explicitly considered an unintended use case of the `xmlattr` filter, and code that does so without otherwise validating the input should be flagged as insecure, regardless of Jinja version. Accepting _values_ as user input continues to be safe. This vulnerability is fixed in 3.1.4.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

在Web页面生成时对输入的转义处理不恰当(跨站脚本)

Pallets Jinja 安全漏洞

Pallets Jinja是一款使用Python语言编写的模板引擎。 Pallets Jinja 3.1.4之前版本存在安全漏洞，该漏洞源于将用户输入作为键传递给 xmlattr 过滤器时，Jinja 容易受到 HTML 属性注入。

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