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formtools.org Form Tools Client Settings Clients.class.php updateClientSettingsTab special elements in template engine

Type: advisorySource: Official CVE List1 source record

A security vulnerability has been detected in formtools.org Form Tools up to 3.1.1. This vulnerability affects the function Clients::updateClientSettingsTab of the file global/code/Clients.class.php of the component Client Settings. The manipulation of the argument page_titles leads to improper neutralization of special elements used in a template engine. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Announced Source revision 1
Original source ↗

CVE-2026-103540

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-103540

Form Tools

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "cpes": [
      "cpe:2.3:a:form_tools:form_tools:*:*:*:*:*:*:*:*"
    ],
    "vendor": "formtools.org",
    "modules": [
      "Client Settings"
    ],
    "product": "Form Tools",
    "versions": [
      {
        "status": "affected",
        "version": "3.1.0"
      },
      {
        "status": "affected",
        "version": "3.1.1"
      }
    ]
  }
]
Related CVEs
CVE-2026-103540

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#7655 · Revision 1
Added to Heist Feed
Publisher date
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