CVE-2026-3215 Islandora - Moderately critical - Arbitrary file upload, Cross-site scripting - SA-CONTRIB-2026-016

Medium 5.4 Published Updated

Attackers can inject malicious scripts into Drupal Islandora pages, potentially stealing user data or executing code in victim browsers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-3215?

CVE-2026-3215 is a medium-severity cross-site scripting vulnerability in Drupal Islandora, published on 25 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Islandora allows Cross-Site Scripting (XSS).This issue affects Islandora: from 0.0.0 before 2.17.5.

Weakness: CWE-79

Which versions are affected by CVE-2026-3215?

It affects 1 product.

Linux distribution packages (1)
drupal/islandora Packagist:https://packages.drupal.org/8All versions2.17.5

Products include Islandora Islandora.

How do I fix CVE-2026-3215?

Upgrade to a fixed version.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-3215 being exploited?

There is no known exploitation of CVE-2026-3215 in the wild and no public exploit code.

Sources

Also known as DRUPAL-CONTRIB-2026-016, GHSA-jgfr-pvv6-mq43.

Is CVE-2026-3215 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free