[PR #1491] [MERGED] feat(other): add HTML email sanitizer to remove external background images #1555

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opened 2026-02-25 21:38:38 +03:00 by kerem · 0 comments

kerem commented

2026-02-25 21:38:38 +03:00

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📋 Pull Request Information

Original PR: https://github.com/cypht-org/cypht/pull/1491
Author: @Baraka24
Created: 4/13/2025
Status: ✅ Merged
Merged: 4/14/2025
Merged by: @kroky

Base: master ← Head: sanitize_email_html

📝 Commits (1)

ee60faf feat(other): add HTML email sanitizer to remove external background images

📊 Changes

2 files changed (+15 additions, -1 deletions)

View changed files

📝 modules/core/message_functions.php (+13 -0)
📝 modules/imap/output_modules.php (+2 -1)

📄 Description

🍰 Pullrequest

Issues

Add sanitize_email_html function that:

Parses HTML content with DOMDocument
Removes potentially dangerous background-image URLs (http/https)
Preserves all other HTML structure and styling
Handles malformed HTML gracefully with libxml error suppression

Todo

Test Cypht With Email Privacy Tester

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/cypht-org/cypht/pull/1491 **Author:** [@Baraka24](https://github.com/Baraka24) **Created:** 4/13/2025 **Status:** ✅ Merged **Merged:** 4/14/2025 **Merged by:** [@kroky](https://github.com/kroky) **Base:** `master` ← **Head:** `sanitize_email_html` --- ### 📝 Commits (1) - [`ee60faf`](https://github.com/cypht-org/cypht/commit/ee60fafbefeb89004c1c3ee23034ced2f7365aae) feat(other): add HTML email sanitizer to remove external background images ### 📊 Changes **2 files changed** (+15 additions, -1 deletions) <details> <summary>View changed files</summary> 📝 `modules/core/message_functions.php` (+13 -0) 📝 `modules/imap/output_modules.php` (+2 -1) </details> ### 📄 Description   ## 🍰 Pullrequest  ### Issues  Add sanitize_email_html function that: - Parses HTML content with DOMDocument - Removes potentially dangerous background-image URLs (http/https) - Preserves all other HTML structure and styling - Handles malformed HTML gracefully with libxml error suppression ### Todo  - [X] Test Cypht With [Email Privacy Tester](https://www.emailprivacytester.com/) --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>