PT-2021-19793 · Unknown · Question2Answer Q2A Ultimate Seo

Nirmal Dahal · Published 2021-02-05 · Updated 2021-02-10 · CVE-2021-3258

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Question2Answer Q2A Ultimate SEO version 1.3

Description The issue is related to cross-site scripting (XSS), which may lead to arbitrary remote code execution.

Recommendations For Question2Answer Q2A Ultimate SEO version 1.3, update to a version that fixes the cross-site scripting issue to prevent arbitrary remote code execution.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-3258

Affected Products

Question2Answer Q2A Ultimate Seo

References · 7

• 🔥 https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover · Exploit
• https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536 · Patch
• https://question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3258 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3258 · Security Note
• https://t.me/cibsecurity/23168 · Telegram Post
• https://t.me/cvenotify/9476 · Telegram Post