🛡️ CVE-2025-3397 — yzmcms

🟡 CVSS 4.3 — Medium ⚠️ Exploit Public CWE-79 NVD
4.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability none.

Weakness class

CVE-2025-3397 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2025-3397 is recorded against 1 package.

  • yzmcms

Timeline and source

Published on 8 April 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

vuldb.com
vuldb.com
vuldb.com
www.yuque.com
www.yuque.com

Details

Severity MEDIUM
CVSS Score 4.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE CWE-79
Public Exploit ⚠️ Yes
Source NVD
Published 2025-04-08
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
yzmcms — —

References

Permissions Required, VDB Entry https://vuldb.com/?ctiid.303642
Third Party Advisory, VDB Entry https://vuldb.com/?id.303642
Third Party Advisory, VDB Entry https://vuldb.com/?submit.525203

Similar Threats

Exploit Protection

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