CVE-2020-26768

Formstone <=1.4.16 is vulnerable to a Reflected Cross-Site Scripting (XSS) vulnerability caused by improper validation of user supplied input in the upload-target.php and upload-chunked.php files. A remote attacker could exploit this vulnerability using a specially crafted URL to execute a script in a victim's Web browser within the security context of the hosting Web site once the URL is clicked or visited. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials, force malware execution, user redirection and others.

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/Formstone/Formstone/issues/286	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:formstone:formstone:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-01-07 13:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-26768

Mitre link : CVE-2020-26768

CVE.ORG link : CVE-2020-26768

JSON object : View

Products Affected

formstone

formstone

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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