{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "12.10.5"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "13.0"
              },
              {
                "introduced": "0"
              },
              {
                "last_affected": "13.1-NA"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "648a3522f7213ef0973ffc1ecc19f3237ace437e"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "909c4bf9b308cf9cab52bfed54adccd04bad5803"
            },
            {
              "introduced": "0"
            },
            {
              "last_affected": "5e8b9d45b1a37ab1db65cd54e915960db993c6f2"
            },
            {
              "fixed": "69548c0320cbd772540cf4668743e69f879812cf"
            },
            {
              "fixed": "f0440dfcbba705e03f7565cd88893dde57ca3fa8"
            }
          ],
          "repo": "https://github.com/xwiki/xwiki-platform",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "### Impact It's possible to know if a user has or not an account in a wiki related to an email address, and which username(s) is actually tied to that email by forging a request to the Forgot username page. Note that since this page does not have a CSRF check it's quite easy to perform a lot of those requests. ### Patches This issue has been patched in XWiki 12.10.5 and 13.2RC1. Two different patches are provided: - a first one to fix the CSRF problem - a more complex one that now relies on sending an email for the Forgot username process. ### Workarounds It's possible to fix the problem without uprading by editing the ForgotUsername page in version below 13.x, to use the following code: https://github.com/xwiki/xwiki-platform/blob/69548c0320cbd772540cf4668743e69f879812cf/xwiki-platform-core/xwiki-platform-administration/xwiki-platform-administration-ui/src/main/resources/XWiki/ForgotUsername.xml#L39-L123 In version after 13.x it's also possible to edit manually the forgotusername.vm file, but it's really encouraged to upgrade the version here. ### References * https://jira.xwiki.org/browse/XWIKI-18384 * https://jira.xwiki.org/browse/XWIKI-18408 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki](https://jira.xwiki.org) * Email us at [security ML](mailto:security@xwiki.org)",
  "id": "CVE-2021-32732",
  "modified": "2026-04-01T23:08:22.769230402Z",
  "published": "2022-02-04T23:15:11.547Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vh5c-jqfg-mhrh"
    },
    {
      "type": "FIX",
      "url": "https://jira.xwiki.org/browse/XWIKI-18384"
    },
    {
      "type": "FIX",
      "url": "https://jira.xwiki.org/browse/XWIKI-18408"
    },
    {
      "type": "FIX",
      "url": "https://github.com/xwiki/xwiki-platform/commit/69548c0320cbd772540cf4668743e69f879812cf"
    },
    {
      "type": "FIX",
      "url": "https://github.com/xwiki/xwiki-platform/commit/f0440dfcbba705e03f7565cd88893dde57ca3fa8"
    }
  ],
  "related": [
    "GHSA-vh5c-jqfg-mhrh"
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}