CVE-2021-38144 json
An issue was discovered in Form Tools through 3.0.20.
published 2021-08-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24617
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
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].
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bernardofsr.github.io https://bernardofsr.github.io/blog/2021/form-tools/ referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/bernardofsr/CVEs-With-PoC/blob/main/PoCs/Form%20Tools/README.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
bernardofsr.github.io
/blog/2021/form-tools/
exploit, third-party-advisory
-
github.com
/bernardofsr/CVEs-With-PoC/blob/main/PoCs/Form%20Tools/README.md
exploit, third-party-advisory
-
formtools.org
/
product, vendor-advisory
-
github.com
/formtools/core
product, third-party-advisory
Sources
- CVE List CVE-2021-38144
- NVD CVE-2021-38144
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.