Vulnerability · Published Oct 22, 2026 · Assigned by drupal
CVE-2026-84911AI (Artificial Intelligence) - Moderately critical - Cross site scripting - SA-CONTRIB-2026-119
Low 3.1
In plain English
A low-severity cross-site scripting in AI (Artificial Intelligence) from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.2%top 91.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal AI (Artificial Intelligence) allows Stored XSS. This issue affects AI (Artificial Intelligence) versions: from 0.0.0 to 1.3.13, from 1.4.0 to 1.4.8.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/ai | 1.3.13, 1.4.8 | DRUPAL-CONTRIB-2026-119 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | AI (Artificial Intelligence) | 0.0.0 – before 1.3.131.4.0 – before 1.4.8 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N