CVE-2021-3258 — MEDIUM (5.4)

Vulnerability Description

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

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Qa-Themes	Q2A Ultimate Seo	1.3

Related Weaknesses (CWE)

CWE-79

References

https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3PatchThird Party Advisory
https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/ExploitThird Party Advisory
https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-upRelease NotesVendor Advisory
https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3PatchThird Party Advisory
https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/ExploitThird Party Advisory
https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-upRelease NotesVendor Advisory

FAQ

What is CVE-2021-3258?

CVE-2021-3258 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Question2Answer Q2A Ultimate SEO Version 1.3 is affected by cross-site scripting (XSS), which may lead to arbitrary remote code execution.

How severe is CVE-2021-3258?

CVE-2021-3258 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3258?

Check the references section above for vendor advisories and patch information. Affected products include: Qa-Themes Q2A Ultimate Seo.