CVE-2026-108566

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.

CVSS v3 3.5 LOW
CVSS v2.0 4.0 MEDIUM

3.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.1 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:P/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/instantsoft/icms2/
https://github.com/instantsoft/icms2/commit/3a1ec8fcb073a46d06a2ab83bc2bf68225834281
https://vuldb.com/cve/CVE-2026-108566
https://vuldb.com/submit/954247
https://vuldb.com/vuln/416223
https://vuldb.com/vuln/416223/cti
https://vuldb.com/submit/954247

Configurations

No configuration.

History

13 Oct 2026, 13:17

Type	Values Removed	Values Added
References	~~() https://vuldb.com/submit/954247 -~~	() https://vuldb.com/submit/954247 -

11 Oct 2026, 10:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-11 10:16

Updated : 2026-10-13 13:29

NVD link : CVE-2026-108566

Mitre link : CVE-2026-108566

CVE.ORG link : CVE-2026-108566

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-94

Improper Control of Generation of Code ('Code Injection')

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