An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file path with a weak cryptographic rand() can be used to read any file with the permissions of the webserver. This can lead to further compromise. The attacker must conduct a brute-force attack against the SiteKey to insert into a crafted URL for components/OssnComments/ossn_com.php and/or libraries/ossn.lib.upgrade.php.

Missing Authorization vulnerability in Drupal Open Social allows Forceful Browsing.This issue affects Open Social: from 11.8.0 before 12.3.10, from 12.4.0 before 12.4.9.

Improper Control of Interaction Frequency vulnerability in Drupal Open Social allows Functionality Misuse.This issue affects Open Social: from 0.0.0 before 12.3.8, from 12.4.0 before 12.4.5.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Open Social allows Cross-Site Scripting (XSS).This issue affects Open Social: from 0.0.0 before 12.3.8, from 12.4.0 before 12.4.5, from 13.0.0 before 13.0.0-alpha11.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in XiaoMac WP Open Social plugin <= 5.0 versions.

OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain an HTML injection vulnerability via the location parameter at http://ip_address/:port/ossn/home.

OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Group Timeline module.

OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain an arbitrary file upload vulnerability via the component /ossn/administrator/com_installer. This vulnerability allows attackers to execute arbitrary code via a crafted PHP file. Note: The project owner believes this is intended behavior of the application as it only allows authenticated admins to upload files.

OpenTeknik LLC OSSN OPEN SOURCE SOCIAL NETWORK v6.3 LTS was discovered to contain a stored cross-site scripting (XSS) vulnerability via the SitePages module.