CVE Catalog

CVE-2026-108566

LowCVSS 3.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.20%

9th percentile - higher than 9% of all known CVEs

Summary

A vulnerability was found in InstantSoft icms2 up to version 2.18.2. The index function in templates/default/controllers/messages/index.tpl.php of the Private Message Handler component is affected, and manipulation of the nickname argument leads to cross-site scripting. The attack can be launched remotely, and the exploit has been publicly disclosed. The patch is named 3a1ec8fcb073a46d06a2ab83bc2bf68225834281.

Risk Assessment

The risk includes script execution in the user's browser, which can lead to session theft, account takeover, or malware distribution. The public exploit increases the threat.

Recommendation

Apply the patch with identifier 3a1ec8fcb073a46d06a2ab83bc2bf68225834281 as soon as possible. Also consider upgrading to the latest version of icms2.

Related vulnerabilities

Original NVD description (English source)

A vulnerability has been found in InstantSoft icms2 up to 2.18.2. This issue affects the function index of the file templates/default/controllers/messages/index.tpl.php of the component Private Message Handler. Such manipulation of the argument nickname leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 3a1ec8fcb073a46d06a2ab83bc2bf68225834281. It is best practice to apply a patch to resolve this issue.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS