View online: https://www.drupal.org/sa-contrib-2024-037

Project: Open Social [1] Date: 2024-September-04 Security risk: *Moderately critical* 13∕25 AC:Basic/A:User/CI:Some/II:Some/E:Theoretical/TD:Default [2] Vulnerability: Cross Site Scripting, Denial of Service

Affected versions: <12.3.8 || >=12.4.0 <12.4.5 || >=13.0.0 <13.0.0-alpha11 Description:  Open Social is a Drupal distribution for online communities, which ships with an optional module called Social Embed.

This module allows a website to display embedded content (such as photos or videos) when a user posts a link to that resource, without having to parse the resource directly.

Added URL's were not sufficiently validated which could lead to a DoS via Blind SSRF and/or Application Takeover via Stored XSS.

This vulnerability is mitigated by the fact that social_embed submodule needs to be enabled.

Solution:  Install the latest version:

* If you use Open Social 12.3.x, upgrade to Open Social 12.3.8 [3] * If you use Open Social 12.4.x, upgrade to Open Social 12.4.5 [4]

Reported By:  * Thiago Régis [5]

Fixed By:  * Thiago Régis [6] * Ronald te Brake [7]

Coordinated By:  * Greg Knaddison [8] of the Drupal Security Team * Juraj Nemec [9] of the Drupal Security Team

[1] https://www.drupal.org/project/social [2] https://www.drupal.org/security-team/risk-levels [3] https://www.drupal.org/project/social/releases/12.3.8 [4] https://www.drupal.org/project/social/releases/12.4.5 [5] https://www.drupal.org/user/277221 [6] https://www.drupal.org/user/277221 [7] https://www.drupal.org/user/2314038 [8] https://www.drupal.org/u/greggles [9] https://www.drupal.org/u/poker10