EmilStenstrom vulnerabilities
We track 5 vulnerabilities in EmilStenstrom products. 5 are rated high or critical, and none are known to be exploited. The most recent was published on August 23, 2026.
Latest EmilStenstrom vulnerabilities
- 7.5 High severity
justhtml: Uncontrolled Recursion
justhtml through 1.9.1 (fixed in 1.10.0) is vulnerable to uncontrolled recursion leading to denial of service. During JustHTML() construction, TreeBuilder.finish() unconditionally calls _populate_selectedcontent(), which recursively traverses the DOM tree via
- 9.8 Critical severity
justhtml: Improper Neutralization of Input During Web Page Generation
justhtml versions <= 1.11.0 (fixed in 1.12.0) do not sufficiently escape HTML-significant characters (angle brackets) in text nodes when converting a parsed document to Markdown via to_markdown(). While a small set of Markdown metacharacters are escaped, chara
- 9.8 Critical severity
justhtml before 1.16.0 contains multiple HTML sanitization bypass issues that can allow…
justhtml before 1.16.0 contains multiple HTML sanitization bypass issues that can allow active/dangerous content (e.g., script or style) to survive sanitization, potentially leading to cross-site scripting. The issues primarily affect advanced usage rather tha
- 9.8 Critical severity
justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers…
justhtml before 1.15.0 contains multiple security issues in URL sanitization helpers (clean_url_value/clean_url_in_js_string), HTML serialization, Markdown passthrough (html_passthrough=True), and several custom sanitization-policy edge cases. Depending on con
- 7.5 High severity
justhtml: Uncontrolled Resource Consumption
justhtml before 1.18.0 contains multiple low-severity denial-of-service issues in CSS selector handling and linkification. Applications that evaluate attacker-controlled selector strings (via query(), matches(), or selector-based transforms), run selector matc