Description
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.
Published: 2026-10-01
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 01 Oct 2026 05:30:00 +0000

Type Values Removed Values Added
Description 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.
Title formtools.org Form Tools Client Settings Clients.class.php updateClientSettingsTab special elements in template engine
First Time appeared Form Tools
Form Tools form Tools
Weaknesses CWE-1336
CWE-791
CPEs cpe:2.3:a:form_tools:form_tools:*:*:*:*:*:*:*:*
Vendors & Products Form Tools
Form Tools form Tools
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Subscriptions

Form Tools Form Tools
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-01T05:15:13.128Z

Reserved: 2026-09-30T19:07:30.951Z

Link: CVE-2026-103540

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-01T06:17:04.393

Modified: 2026-10-01T06:17:04.393

Link: CVE-2026-103540

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-1336

    Improper Neutralization of Special Elements Used in a Template Engine

  • CWE-791

    Incomplete Filtering of Special Elements