CVE-2021-3258

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-3258
Question2Answer Q2A Ultimate SEO Version 1.3 is affected by cross-site scripting (XSS), which may lead to arbitrary remote code execution.

5.4 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5 /10

CVSS v2.0 : LOW

V2 Legend

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536 Patch Third Party Advisory
https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/ Exploit Third Party Advisory
https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update Release Notes Vendor Advisory
https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536 Patch Third Party Advisory
https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/ Exploit Third Party Advisory
https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update Release Notes Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:qa-themes:q2a_ultimate_seo:1.3:*:*:*:*:question2answer:*:*
History

21 Nov 2024, 06:21

Type Values Removed Values Added
References () https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536 - Patch, Third Party Advisory () https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536 - Patch, Third Party Advisory
References () https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/ - Exploit, Third Party Advisory () https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/ - Exploit, Third Party Advisory
References () https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update - Release Notes, Vendor Advisory () https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update - Release Notes, Vendor Advisory
Information

Published : 2021-02-05 16:15

Updated : 2024-11-21 06:21

NVD link : CVE-2021-3258

Mitre link : CVE-2021-3258

CVE.ORG link : CVE-2021-3258

JSON object : View

Products Affected

qa-themes

  • q2a_ultimate_seo
CWE
CWE-79

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