CVE-2026-16640 Search API Autocomplete - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-082
Reflected XSS in Drupal Search API Autocomplete allows attackers to execute arbitrary scripts in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-16640?
CVE-2026-16640 is a medium-severity cross-site scripting vulnerability in Drupal Search API Autocomplete, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, 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 Search API Autocomplete allows Reflected XSS. This issue affects Search API Autocomplete versions: from 0.0.0 to 1.12.0.
Weakness: CWE-79
Which versions are affected by CVE-2026-16640?
Linux distribution packages (1)
drupal/search_api_autocomplete Packagist:https://packages.drupal.org/8 | All versions | 1.12.0 |
How do I fix CVE-2026-16640?
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-2026-16640 being exploited?
There is no known exploitation of CVE-2026-16640 in the wild and no public exploit code.
Sources
Also known as DRUPAL-CONTRIB-2026-082, GHSA-jjcr-jhm4-rpqw.