jinja2
Safeguard articles tagged "jinja2" — guides, analysis, and best practices for software supply chain and application security.
4 articles
CVE-2024-22195: how Jinja2's xmlattr filter opened an XSS hole
A single filter in Jinja, xmlattr, could inject arbitrary HTML attributes and slip past autoescaping entirely — fixed in Jinja 3.1.3, tracked as CVE-2024-22195.
What Is SSTI (Server-Side Template Injection)?
SSTI happens when user input is compiled as template code instead of rendered as data, often leading straight to remote code execution. Here is how to prevent it.
Jinja2 sandbox escape (CVE-2022-29361)
CVE-2022-29361 lets attackers bypass Jinja2's SandboxedEnvironment via str.format, reaching unsafe attributes and risking RCE in untrusted-template apps.
Jinja2 xmlattr filter XSS (CVE-2024-22195)
CVE-2024-22195 lets attacker-controlled dict keys bypass Jinja2's xmlattr escaping for XSS. Learn affected versions, CVSS/EPSS context, and fixes.
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