[IT-SecNots] [Security-news] PhotoSwipe - Responsive JavaScript Modal Image Gallery - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-131

[security-news AT drupal.org]

View online: https://www.drupal.org/sa-contrib-2026-131

Project: PhotoSwipe - Responsive JavaScript Modal Image Gallery [1]
Date: 2026-September-02
Security risk: *Moderately critical* 14 ∕ 25
AC:Basic/A:User/CI:Some/II:Some/E:Theoretical/TD:All [2]
Vulnerability: Cross-site scripting

Affected versions: <5.0.9
CVE IDs: CVE-2026-84919
Description: 
This module enables you to add dynamic caption support to PhotoSwipe image
galleries.

The module doesn't sufficiently sanitize user-supplied input (such as image
alt tags) in its dynamic caption script, leading to a Cross-Site Scripting
(XSS) vulnerability.

This vulnerability is mitigated by the fact that an attacker must have a role
that permits them to enter HTML content.

Solution: 
Install the latest version:

 * If you use the photoswipe_dynamic_caption module, upgrade to photoswipe
   5.0.9 [3]

Reported By: 
 * Pierre Rudloff (prudloff) [4] of the Drupal Security Team

Fixed By: 
 * Bram Driesen (bramdriesen) [5] of the Drupal Security Team
 * Joshua Sedler (grevil) [6]
 * Pierre Rudloff (prudloff) [7] of the Drupal Security Team

Coordinated By: 
 * Greg Knaddison (greggles) [8] of the Drupal Security Team
 * Pierre Rudloff (prudloff) [9] of the Drupal Security Team

------------------------------------------------------------------------------
Contribution record [10]

[1] https://www.drupal.org/project/photoswipe
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/project/photoswipe/releases/5.0.9
[4] https://www.drupal.org/u/prudloff
[5] https://www.drupal.org/u/bramdriesen
[6] https://www.drupal.org/u/grevil
[7] https://www.drupal.org/u/prudloff
[8] https://www.drupal.org/u/greggles
[9] https://www.drupal.org/u/prudloff
[10]  
https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal.org/node/3618774

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