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CVE-2026-35046— Tandoor has a Stored CSS Injection via <style> Tag in Recipe Instructions (API-Level)

Quick assessment

Affected
TandoorRecipes recipes
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tandoor Recipes是Tandoor Recipes开源的一个用于管理食谱、计划膳食、建立购物清单等等的应用程序。 Tandoor Recipes 2.6.4之前版本存在跨站脚本漏洞，该漏洞源于允许在食谱步骤说明中注入任意<style>标签，可能导致UI伪装、钓鱼覆盖或CSS数据渗漏。

CVSS 5.4 · Medium EPSS 0.25% · P15
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I. Basic Information for CVE-2026-35046

Vulnerability Information
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Vulnerability Title
Tandoor has a Stored CSS Injection via <style> Tag in Recipe Instructions (API-Level)
Source: CVE Program / CVE List V5
Vulnerability Description
Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.6.4, Tandoor Recipes allows authenticated users to inject arbitrary <style> tags into recipe step instructions. The bleach.clean() sanitizer explicitly whitelists the <style> tag, causing the backend to persist and serve unsanitized CSS payloads via the API. Any client consuming instructions_markdown from the API and rendering it as HTML without additional sanitization will execute attacker-controlled CSS — enabling UI redressing, phishing overlays, visual defacement, and CSS-based data exfiltration. This vulnerability is fixed in 2.6.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Tandoor Recipes 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tandoor Recipes是Tandoor Recipes开源的一个用于管理食谱、计划膳食、建立购物清单等等的应用程序。 Tandoor Recipes 2.6.4之前版本存在跨站脚本漏洞，该漏洞源于允许在食谱步骤说明中注入任意<style>标签，可能导致UI伪装、钓鱼覆盖或CSS数据渗漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TandoorRecipes recipes < 2.6.4 -

II. Public POCs for CVE-2026-35046

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III. Intelligence Information for CVE-2026-35046

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Vendor Advisories for CVE-2026-35046 (1)

Vendor Pages for CVE-2026-35046 (1)

IV. Related Vulnerabilities

Same product: recipes
Same vendor: TandoorRecipes
Same weakness: CWE-79

V. Comments for CVE-2026-35046

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