Skip to main content

Core CVE-2021-38143

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2021-08-31 cve@mitre.org
6.1
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Aug 31, 2021 - 05:15 nvd
MEDIUM 6.1

DescriptionNVD

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.

AnalysisAI

An issue was discovered in Form Tools through 3.0.20. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Formtools Core. Version information: through 3.0.20..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

More in Core

View all
CVE-2020-15505 CRITICAL POC
9.8 Jul 07

A remote code execution vulnerability in MobileIron Core & Connector versions 10.3.0.3 and earlier, 10.4.0.0, 10.4.0.1,

CVE-2022-29777 CRITICAL POC
9.8 Jun 02

Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a heap overflow via t

CVE-2022-29776 CRITICAL POC
9.8 Jun 02

Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a stack overflow via

CVE-2021-38145 CRITICAL POC
9.8 Aug 31

An issue was discovered in Form Tools through 3.0.20. Rated critical severity (CVSS 9.8), this vulnerability is remotely

CVE-2026-53599 HIGH POC
7.5 Jul 31

Remote code execution in REDAXO CMS versions 5.18.2 through 5.21.0 is reachable by authenticated backend users with medi

CVE-2023-5192 MEDIUM POC
6.5 Sep 27

Excessive Data Query Operations in a Large Data Table in GitHub repository pimcore/demo prior to 10.3.0. Rated medium se

CVE-2020-15506 CRITICAL
9.8 Jul 07

An authentication bypass vulnerability in MobileIron Core & Connector versions 10.3.0.3 and earlier, 10.4.0.0, 10.4.0.1,

CVE-2021-38144 MEDIUM POC
5.4 Aug 31

An issue was discovered in Form Tools through 3.0.20. Rated medium severity (CVSS 5.4), this vulnerability is remotely e

CVE-2026-57499 CRITICAL
9.1 Aug 27

OS command injection in Liman server management software (limanmys/core) before version 2.2.2 - 1103 lets an authenticat

CVE-2026-71291 HIGH
8.8 Aug 05

Unsandboxed Twig template rendering in Bolt CMS allows any user holding an editor-level CMS role to inject arbitrary OS

CVE-2026-23514 HIGH
8.8 Mar 25

An access control vulnerability exists in Kiteworks Core versions 9.2.0 and 9.2.1 that allows authenticated users to acc

CVE-2024-14036 HIGH
8.7 Jun 02

Dräger Core 1.0.5 and Dräger M540 Converter Service 1.0.9 contain a denial of service vulnerability that allows network-

Share

CVE-2021-38143 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy