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CVE-2021-34632

HIGH 8.8 CVSS 3.1
Published
August 2, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

The SEO Backlinks WordPress plugin is vulnerable to Cross-Site Request Forgery via the loc_config function found in the ~/seo-backlinks.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 4.0.1.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • SEO Backlinks SEO Backlinks — From 4.0.1 (including) to 4.0.1 (including)
  • seo_backlinks_project seo_backlinks — Up to and including 4.0.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/seo-backlinks/trunk/seo-backlinks.php#L75 Exploit, Third Party Advisory
  • www.wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34632 Third Party Advisory
  • nvd.nist.gov Official NVD record