CVE-2021-3258
5.4 MEDIUMQuestion2Answer Q2A Ultimate SEO Version 1.3 is affected by cross-site scripting (XSS), which may lead to arbitrary remote code execution
Published: 2021-02-05 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 5.4 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CWE
- CWE-79
Affected products
| Vendor | Product |
|---|---|
| qa-themes | q2a_ultimate_seo |
Description
Question2Answer Q2A Ultimate SEO Version 1.3 is affected by cross-site scripting (XSS), which may lead to arbitrary remote code execution.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3258
- [Patch]https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536
- [Exploit reference]https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/
- [Vendor advisory]https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update
- [Patch]https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536
- [Exploit reference]https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/
- [Vendor advisory]https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update
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