Security advisory

{
  "id": "f5849cb4371b3de3ab9844014a6dee05d5a04b80d82eb6df4139ae2821d279d5",
  "url": "https://osv.dev/vulnerability/CVE-2020-27885",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-27885",
    "summary": "Cross-Site Scripting (XSS) vulnerability on WSO2 API Manager 3.1.0. By exploiting a Cross-site scripting vulnerability the attacker can hijack a logged-in user’s session by stealing cookies which means that a malicious hacker can change the logged-in user’s password and invalidate the session of the victim while the hacker maintains access.",
    "evidence": "osv:CVE-2020-27885",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-27885",
      "aliases": [
        "CVE-2020-27885"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wso2/product-apim",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2971de274564b622974de831403e9688a4a76c14"
                },
                {
                  "last_affected": "2971de274564b622974de831403e9688a4a76c14"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:wso2:api_manager:3.1.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1.0"
                      },
                      {
                        "last_affected": "3.1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.1.0",
            "v3.1.0-rc3",
            "v3.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27885.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:36.389511202Z",
      "provider": "osv",
      "references": [
        "https://docs.wso2.com/display/Security/2020+Advisories",
        "https://www.rodrigofavarini.com.br/cybersecurity/multiple-xss-on-api-manager-3-1-0/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-27885",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433961,
  "published_at": "2020-10-29T21:15:15.957+00:00"
}