Add escape_once to gallery title and alt text

Author: iBug

CHANGELOG.md

@@ -8,6 +8,10 @@
 - Add HTML escaping for some titles, labels and metada that was missing. (#5276)
 - Add optional `footer.since` for copyright time range. (#5275)
 
+### Bug Fixes
+
+- Add `escape_once` to gallery title and alt text.
+
 ## [4.27.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.27.1)
 
 ### Enhancements

_includes/gallery

@@ -20,13 +20,13 @@
   {% for img in gallery %}
     {% if img.url %}
       <a href="{{ img.url | relative_url }}"
-        {% if img.title %}title="{{ img.title }}"{% endif %}>
+        {% if img.title %}title="{{ img.title | escape_once }}"{% endif %}>
           <img src="{{ img.image_path | relative_url }}"
-               alt="{% if img.alt %}{{ img.alt }}{% endif %}">
+               alt="{% if img.alt %}{{ img.alt | escape_once }}{% endif %}">
       </a>
     {% else %}
       <img src="{{ img.image_path | relative_url }}"
-           alt="{% if img.alt %}{{ img.alt }}{% endif %}">
+           alt="{% if img.alt %}{{ img.alt | escape_once }}{% endif %}">
     {% endif %}
   {% endfor %}
   {% if include.caption %}

docs/_docs/18-history.md

@@ -5,7 +5,7 @@ permalink: "/docs/history/"
 excerpt: Change log of enhancements and bug fixes made to the theme.
 sidebar:
   nav: docs
-last_modified_at: '2025-07-11T09:48:51+08:00'
+last_modified_at: '2025-07-20T23:02:43+08:00'
 toc: false
 ---
 
@@ -23,6 +23,10 @@ toc: false
 - Add HTML escaping for some titles, labels and metada that was missing. [#5276](https://github.com/mmistakes/minimal-mistakes/issues/5276)
 - Add optional `footer.since` for copyright time range. [#5275](https://github.com/mmistakes/minimal-mistakes/issues/5275)
 
+### Bug Fixes
+
+- Add `escape_once` to gallery title and alt text.
+
 ## [4.27.1](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.27.1)
 
 ### Enhancements