CVE-2021-38144

Name: CVE-2021-38144
Creator: NVD / NIST
Published: 2021-08-31T05:15:06.65+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2021-38144 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An issue was discovered in Form Tools through 3.0.20. A low-privileged user can trigger Reflected XSS when a viewing a form via the submission_id parameter, e.g., clients/forms/edit_submission.php?form_id=1&view_id=1&submission_id=[XSS].. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

An issue was discovered in Form Tools through 3.0.20. A low-privileged user can trigger Reflected XSS when a viewing a form via the submission_id parameter, e.g., clients/forms/edit_submission.php?form_id=1&view_id=1&submission_id=[XSS].

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.92%

55.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Formtools	Core	<= 3.0.20

References

https://bernardofsr.github.io/blog/2021/form-tools/Exploit, Third Party Advisory
https://github.com/bernardofsr/CVEs-With-PoC/blob/main/PoCs/Form%20Tools/README.mdExploit, Third Party Advisory
https://github.com/formtools/coreProduct, Third Party Advisory
https://www.formtools.org/Product, Vendor Advisory
https://bernardofsr.github.io/blog/2021/form-tools/Exploit, Third Party Advisory
https://github.com/bernardofsr/CVEs-With-PoC/blob/main/PoCs/Form%20Tools/README.mdExploit, Third Party Advisory
https://github.com/formtools/coreProduct, Third Party Advisory
https://www.formtools.org/Product, Vendor Advisory

Timeline

Published: Aug 31, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38144?

How severe is CVE-2021-38144?

CVE-2021-38144 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38144?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38144?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST