[IT-SecNots] [Security-news] Search API Autocomplete - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-082

[security-news AT drupal.org]

View online: https://www.drupal.org/sa-contrib-2026-082

Project: Search API Autocomplete [1]
Date: 2026-July-22
Security risk: *Moderately critical* 14 ∕ 25
AC:Basic/A:None/CI:Some/II:Some/E:Theoretical/TD:Uncommon [2]
Vulnerability: Cross-site Scripting

Affected versions: <1.12.0
CVE IDs: CVE-2026-16640
Description: 
This module enables you to add autocomplete suggestions for search forms
created with the Search API module [3].

The module ships with a test script that is accessible to anonymous users and
doesn't sufficiently validate user input, leading to a Cross Site Scripting
vulnerability.

This vulnerability is mitigated by the fact that the web server must be
configured to display warning messages to users.

Solution: 
Install the latest version:

 * If you use the Serach API Autocomplete module, upgrade to Serach API
   Autocomplete 8.x-1.12 [4]

Another option for sites unable to update is to set display_errors: off in
php.ini (or similar settings) to disable the exploit.

Reported By: 
 * Elar Lang (elarlang) [5]

Fixed By: 
 * Thomas Seiber (drunken monkey) [6]
 * Elar Lang (elarlang) [7]

Coordinated By: 
 * Greg Knaddison (greggles) [8] of the Drupal Security Team
 * Lee Rowlands (larowlan) [9] of the Drupal Security Team
 * Drew Webber (mcdruid) [10] of the Drupal Security Team
 * Juraj Nemec (poker10) [11] of the Drupal Security Team

------------------------------------------------------------------------------
Contribution record [12]

[1] https://www.drupal.org/project/search_api_autocomplete
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/project/search_api
[4] https://www.drupal.org/project/search_api_autocomplete/releases/8.x-1.12
[5] https://www.drupal.org/u/elarlang
[6] https://www.drupal.org/u/drunken-monkey
[7] https://www.drupal.org/u/elarlang
[8] https://www.drupal.org/u/greggles
[9] https://www.drupal.org/u/larowlan
[10] https://www.drupal.org/u/mcdruid
[11] https://www.drupal.org/u/poker10
[12]  
https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal.org/node/3610899

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