{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.3"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20069f28147c6f2c3acca4e3f6f5154537c5d536"
            }
          ],
          "repo": "https://github.com/q2a-projects/q2a-ultimate-seo",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20069f28147c6f2c3acca4e3f6f5154537c5d536"
            }
          ],
          "repo": "https://github.com/q2a-projects/q2a-ultimate-seo",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Question2Answer Q2A Ultimate SEO Version 1.3 is affected by cross-site scripting (XSS), which may lead to arbitrary remote code execution.",
  "id": "CVE-2021-3258",
  "modified": "2026-03-13T21:48:11.471998109Z",
  "published": "2021-02-05T16:15:12.757Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.question2answer.org/qa/58520/important-q2a-ultimate-seo-important-update"
    },
    {
      "type": "FIX",
      "url": "https://github.com/q2a-projects/Q2A-Ultimate-SEO/commit/20069f28147c6f2c3acca4e3f6f5154537c5d536"
    },
    {
      "type": "EVIDENCE",
      "url": "https://nirmaldahal.com.np/sxss-to-defacement-and-account-takeover/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}