SSRF in Formtools.org Form Tools
CVE-2026-103542
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Formtools.org Form Tools — versions 3.1.0, 3.1.1
Weakness classification (CWE)
References
- vuldb.com/vuln/412352 (technical-description, vdb-entry)
- vuldb.com/vuln/412352/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-103542 (third-party-advisory)
- vuldb.com/submit/957909 (third-party-advisory)
- github.com/formtools/core/issues/958 (issue-tracking)
- github.com/wawyw/cve_report/blob/main/formtools_3.md (exploit)
Frequently asked questions
- What is CVE-2026-103542?
- CVE-2026-103542 is a medium-severity vulnerability in Formtools.org Form Tools, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-10-01.
- How severe is CVE-2026-103542?
- Medium severity. CVSS v3 base score is 4.3 out of 10.