CVE-2020-5223 Information

Description

In PrivateBin versions 1.2.0 before 1.2.2 and 1.3.0 before 1.3.2 a persistent XSS attack is possible. Under certain conditions a user provided attachment file name can inject HTML leading to a persistent Cross-site scripting (XSS) vulnerability. The vulnerability has been fixed in PrivateBin v1.3.2 & v1.2.2. Admins are urged to upgrade to these versions to protect the affected users.

CVSS Vector

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

Reference

https://github.com/PrivateBin/PrivateBin/commit/8d0ac336d23cd8c98e71d5f21cdadcae9c8a26e6 https://github.com/PrivateBin/PrivateBin/issues/554 https://github.com/PrivateBin/PrivateBin/security/advisories/GHSA-8j72-p2wm-6738 https://privatebin.info/news/v1.3.2-v1.2.2-release.html

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

4.4