CVE-2026-108566

InstantSoft icms2 Private Message index.tpl.php index cross site scripting

LOW
3.5
CVSS Score
Published: October 11, 2026 at 09:15 AM UTC
Updated: October 13, 2026 at 01:29 PM UTC
1 product affected across 1 vendorICMS2

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Severity
LOW3.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/416223
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/416223/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-108566
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/954247

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.5LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79CWE-94

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