CVE-2026-35046 Details
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.
A stored CSS injection vulnerability has been identified in Tandoor Recipes versions prior to 2.6.4. This issue allows authenticated users to inject arbitrary <style> tags into recipe step instructions. The application's sanitizer, bleach.clean(), mistakenly whitelists the <style> tag, enabling the backend to persist and serve unsanitized CSS payloads via the API. Clients that render the instructions_markdown field as HTML without further sanitization will execute the injected CSS. This exploitation could lead to UI redressing, phishing overlays, visual defacement, and CSS-based data exfiltration.
Users can update to Tandoor Recipes version 2.6.4, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 7, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-9hhh-g2fc-r8x2 | CISA-ADP | ExploitVendor Advisory |
| https://github.com/TandoorRecipes/recipes/releases/tag/2.6.4 | [email protected] | Release Notes |
| https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-9hhh-g2fc-r8x2 | [email protected] | ExploitVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tandoor recipes | < 2.6.4 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 10, 2026 | Initial Analysis | [email protected] |
| Apr 7, 2026 | CVE Modified | CISA-ADP |
| Apr 6, 2026 | New CVE Received | [email protected] |