CVE-2021-3258 Information

Description

Question2Answer Q2A Ultimate SEO Version 1.3 is affected by cross-site scripting (XSS) which may lead to arbitrary remote code execution.

CVSS Vector

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

Reference

https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536 https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/ https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4