TI-2026-65727 Aliases CVE-2026-103540 GHSA-r99g-f87j-9mpc

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

MEDIUM 57CWE-1336Published 2026-10-01 · Updated 2026-10-01

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1336.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00237 14th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
formtools.org	Form Tools	3.1.0; 3.1.1	—	No fix listed	CNA

Form Tools Vendorformtools.org Affected 3.1.0; 3.1.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:form_tools:form_tools::::::::	—	—	Form Tools

cpe:2.3:a:form_tools:form_tools:*:*:*:*:*:*:*:* Versions — — ·Form Tools

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-103540
2026-10-03 Alias added: GHSA-r99g-f87j-9mpc

References

Exploit 1

https://github.com/wawyw/cve_report/blob/main/formtools_1.md

Other 1

https://github.com/formtools/core/issues/956

TI-2024-15110 SQL Injection vulnerability in Form Tools 3.1.1 allows attackers to run arbitrary SQL… CVSS 3.1HIGH 8.1
TI-2024-15113 Server Side Template Injection (SSTI) vulnerability in Form Tools 3.1.1 allows attackers… CVSS 3.1HIGH 7.2
TI-2024-15112 Cross Site Request Forgery (CSRF) vulnerability in Form Tools 3.1.1 allows attackers to… CVSS 3.1MEDIUM 6.3
TI-2024-15088 Form Tools v3.1.1 was discovered to contain a reflected cross-site scripting (XSS)… CVSS 3.1MEDIUM 6.1
TI-2026-65729 formtools.org Form Tools AJAX Endpoint actions.php smart_fill server-side request forgery CVSS 4.0MEDIUM 5.3
TI-2026-65728 formtools.org Form Tools Ajax actions.php uploadFile unrestricted upload CVSS 4.0MEDIUM 5.3

See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences