Quick answers
- Is CVE-2026-84919 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-84919 being exploited in the wild.
- How severe is CVE-2026-84919?
- Informational severity, published 22 October 2026.
- Which products and versions are affected?
- Drupal PhotoSwipe before 5.0.9; Packagist:Https://Packages.Drupal.Org/8 Drupal/Photoswipe ECOSYSTEM:introduced=0,fixed=5.0.9.
- Is there a fix for CVE-2026-84919?
- Yes. Packagist:Https://Packages.Drupal.Org/8 Drupal/Photoswipe: upgrade to 5.0.9 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-84919 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-84919?
- Check whether you run Drupal PhotoSwipe or Packagist:Https://Packages.Drupal.Org/8 Drupal/Photoswipe at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Packagist:Https://Packages.Drupal.Org/8 Drupal/Photoswipe: upgrade to 5.0.9 or later
Technical details
The photoswipe_dynamic_caption component fails to properly sanitize user-supplied input such as image alt tags in its JavaScript caption script, enabling stored XSS. Attack requires the attacker to hold a Drupal role with HTML content entry permissions. An authenticated attacker can inject JavaScript that executes when other users view the gallery.
Affected products
- Drupal PhotoSwipe before 5.0.9
Identifiers
- CVE-2026-84919
- DRUPAL-CONTRIB-2026-131
Timeline
- 2026-09-02: disclosed