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7.8

YzCMS 7.1 lets attackers inject malicious script via URL

CVE-2025-3397 · published 1 year ago
Summary

The YzCMS version 7.1 web interface can be tricked into running unwanted code when a specially crafted link is used. This could allow a remote attacker to display false information or steal data from users who click the link. Apply the vendor’s security update or disable the affected page until it can be patched.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
yzmcms yzmcms 7.1
cpe:2.3:a:yzmcms:yzmcms:7.1:*:*:*:*:*:*:*
Original advisory text
YzmCMS message.tpl cross site scripting
A vulnerability classified as problematic has been found in YzmCMS 7.1. Affected is an unknown function of the file message.tpl. The manipulation of the argument gourl leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
7.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
CWE-94Code Injection
Timeline
Published8 Apr 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-3397 · NVD
CVE-2025-3397 · OSV
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