Saurus CMS Community Edition Logout classes/port.inc.php url redirect

Summaryinfo

A vulnerability was found in Saurus CMS Community Edition. It has been rated as problematic. This affects an unknown part of the file classes/port.inc.php of the component Logout Handler. Performing a manipulation of the argument url results in redirect. This vulnerability is known as CVE-2026-73671. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Saurus CMS Community Edition (version unknown). This affects an unknown function of the file classes/port.inc.php of the component Logout Handler. The manipulation of the argument url with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on integrity. The summary by CVE is:

Saurus CMS Community Edition contains an unauthenticated open redirect vulnerability in the logout handling code in classes/port.inc.php, where the url parameter supplied via GET or POST is passed directly to the Location header without domain allowlist, scheme validation, or relative path enforcement. Attackers can craft a malicious logout URL containing an arbitrary external domain or javascript: URI scheme to redirect authenticated users to attacker-controlled phishing pages after session destruction, enabling credential theft and OAuth redirect abuse.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-73671 since 08/13/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.

By approaching the search of inurl:classes/port.inc.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch d886e5b is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Saurus

Name

• CMS Community Edition

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion