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CVE Record

CVE-2021-38143: An issue was discovered in Form Tools through 3.0.20.

An issue was discovered in Form Tools through 3.0.20. When an administrator creates a customer account, it is possible for the customer to log in and proceed with a change of name and last name. However, these fields are vulnerable to XSS payload insertion, being triggered in the admin panel when the admin tries to see the client list. This type of XSS (stored) can lead to the extraction of the PHPSESSID cookie belonging to the admin.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Form Tools through 3.0.20 has a stored cross-site scripting issue in customer first and last name fields. A customer can save malicious content that later runs when an administrator views the client list. The reported impact is possible theft of the administrator's PHP session cookie.

Executive priority

Treat as a near-term remediation item for any Form Tools deployment with customer accounts. It is not KEV-listed, but administrator session theft can turn a low-friction web issue into account compromise.

Technical view

The vulnerability is stored XSS in customer account name fields, triggered in the Form Tools admin panel client list. The CVE description states an administrator-created customer can update those fields and cause script execution in the admin context. No CVSS score, CWE, or vendor fix details are included in the provided bundle.

Likely exposure

Exposure is most likely in Form Tools installations running version 3.0.20 or earlier, especially where customer accounts exist and administrators review client lists. Public internet exposure increases business risk, but exploitation still depends on authenticated customer interaction and admin viewing behavior.

Exploitation context

The source bundle includes public references and proof-of-concept material, but CISA KEV is false and no cited source here states active exploitation. The scenario requires stored content in customer name fields and later admin panel rendering.

Researcher notes

The available evidence identifies stored XSS and a session-cookie theft impact, but lacks CVSS, CWE, affected CPEs, and vendor remediation details. Avoid assuming a specific fixed version unless confirmed from vendor sources.

Mitigation direction

  • Inventory Form Tools deployments and confirm whether version 3.0.20 or earlier is present.
  • Check official Form Tools guidance or repository history for a fixed release or advisory.
  • Restrict admin panel access to trusted networks and accounts.
  • Review customer name fields for unexpected markup or script-like content.
  • Invalidate administrator sessions after cleanup if suspicious content is found.

Validation and detection

  • Confirm deployed Form Tools versions against the affected range stated in the CVE.
  • Review admin client-list rendering for proper output encoding of customer name fields.
  • Audit recent customer profile changes for suspicious content in name fields.
  • Check logs for unexpected admin session activity after client-list access.
  • Verify any vendor update or mitigation in a non-production environment first.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.