CVE-2026-103542: formtools.org Form Tools AJAX Endpoint actions.php smart_fill server-side request forgery

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-01 · updated 2026-10-06
Weakness: CWE-918

Description

A flaw has been found in formtools.org Form Tools up to 3.1.1. Impacted is the function smart_fill of the file /global/code/actions.php of the component AJAX Endpoint. This manipulation of the argument url causes server-side request forgery. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

formtools.org Form Tools: 3.1.0, 3.1.1

References

https://github.com/formtools/core/issues/958
https://github.com/wawyw/cve_report/blob/main/formtools_3.md
https://vuldb.com/cve/CVE-2026-103542
https://vuldb.com/submit/957909
https://vuldb.com/vuln/412352
https://vuldb.com/vuln/412352/cti

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