CVE-2019-12970 Information

Description

XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper handling of RCDATA and RAWTEXT type elements the built-in sanitization mechanism can be bypassed. Malicious script content from HTML e-mail can be executed within the application context via crafted use of (for example) a NOEMBED NOFRAMES NOSCRIPT or TEXTAREA element.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

http://packetstormsecurity.com/files/153495/SquirrelMail-1.4.22-Cross-Site-Scripting.html https://lists.debian.org/debian-lts-announce/2019/08/msg00000.html https://seclists.org/bugtraq/2019/Jul/0 https://seclists.org/bugtraq/2019/Jul/50 https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-016.txt

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1