CVE-2026-7016: MaxSite CMS ushki Plugin cross site scripting
A vulnerability was found in MaxSite CMS up to 109.3. Impacted is an unknown function of the component ushki Plugin. Performing a manipulation of the argument fushkanew/fushk results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been made public and could be used. Upgrading to version 109.4 is recommended to address this issue. The patch is named 8a3946bd0a54bfb72a4d57179fcd253f2c550cd7. Upgrading the affected component is recommended. The vendor was informed early about this issue. They classify it as a "Self-XSS". They deployed a countermeasure: "Nevertheless, we consider this a violation of secure coding standards. The lack of filtering via htmlspecialchars() has already been fixed in the latest patch to prevent incorrect data display."
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
MaxSite CMS ushki Pluginto a version that resolves this vulnerability.Fixed in 109.4Patch 8a3946bd0a54bfb72a4d57179fcd253f2c550cd7
Event History
Frequently Asked Questions
What is the severity of CVE-2026-7016?
CVE-2026-7016 is classified as a medium severity vulnerability due to its potential for cross site scripting attacks.
How do I fix CVE-2026-7016?
To fix CVE-2026-7016, update the MaxSite CMS ushki Plugin to version 109.4 or later.
What components are affected by CVE-2026-7016?
CVE-2026-7016 affects the ushki Plugin of MaxSite CMS versions up to and including 109.3.
What type of vulnerability is CVE-2026-7016?
CVE-2026-7016 is a cross site scripting (XSS) vulnerability.
Can CVE-2026-7016 be exploited remotely?
Yes, CVE-2026-7016 can be exploited remotely through manipulation of certain plugin arguments.