CVE-2020-18324
MediumCVSS 6.1Exploitation Probability (EPSS)
High risk80th percentile - higher than 80% of all known CVEs
Summary
A Cross Site Scripting (XSS) vulnerability exists in Subrion CMS 4.2.1 via the q parameter in the Kickstart template. An attacker can inject malicious JavaScript code that executes in the victim's browser.
Risk Assessment
The risk includes session hijacking, redirection to malicious sites, or theft of sensitive data. Both administrators and regular users of the system may be affected.
Recommendation
Update Subrion CMS to the latest version that includes a fix for this vulnerability. If an update is not possible, manually sanitize the q parameter in the Kickstart template to remove dangerous characters.
Other vulnerabilities in Subrion CMS
See all- CVE-2017-15063High
There are CSRF vulnerabilities in Subrion CMS versions 4.1.x through 4.1.5 and before 4.2.0 due to a logic error. Although there is functionality to detect CSRF, it is called too late in the ia.core.php code, allowing attacks against the query parameter to the panel/database.
- CVE-2017-6069High
Subrion CMS version 4.0.5 has a CSRF vulnerability in the admin/blog/add/ module. An attacker can add any tag and optionally inject XSS via the tags parameter.
- CVE-2017-6068High
Subrion CMS version 4.0.5 has a CSRF vulnerability in the admin/blocks/add/ module that allows an attacker to create any blocks. Additionally, the attacker can optionally inject XSS via the content parameter.
- CVE-2017-6066High
Subrion CMS version 4.0.5 has a CSRF vulnerability in the language editing module. An attacker can perform any Edit Language action and optionally inject XSS via the title parameter.
- CVE-2017-6002High
Subrion CMS version 4.0.5.10 has a CSRF vulnerability in the admin/blog/add/ module. An attacker can add any blog entry and optionally inject XSS via the body parameter.
- CVE-2017-11445Critical
Subrion CMS before 4.1.6 has a SQL injection vulnerability in /front/actions.php via the $_POST array.
- CVE-2017-11444Critical
Subrion CMS before 4.1.5.10 has a SQL injection vulnerability in /front/search.php via the $_GET array.
- CVE-2017-6013Critical
Subrion CMS version 4.0.5.10 has an SQL injection vulnerability in the admin/database module via the query parameter.
- CVE-2017-5543Critical
In Subrion CMS version 4.0.5, a vulnerability allows remote attackers to conduct PHP Object Injection attacks via crafted serialized data in a salt cookie in a login request.
- CVE-2026-96773Medium
A vulnerability was found in Intelliants Subrion CMS up to version 4.2.1 in the iaUsers::authorize function. Manipulation of the $_SERVER['HTTP_REFERER'] argument causes open redirect. The attack can be performed remotely and the exploit has been made public.
Original NVD description (English source)
Cross Site Scripting (XSS) vulnerability exists in Subrion CMS 4.2.1 via the q parameter in the Kickstart template.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

