GHSA-F9C6-2F9P-82JJ

Vulnerability from github – Published: 2025-04-30 16:51 – Updated: 2025-05-01 13:30
VLAI?
Summary
Any user with view access to the XWiki space can change the authenticator
Details

Impact

A user who can access pages located in the XWiki space (by default, anyone) can access the page XWiki.Authentication.Administration and (unless an authenticator is set in xwiki.cfg) switch to another installed authenticator.

Note that, by default, there is only one authenticator available (Standard XWiki Authenticator). So, if no authenticator extension was installed, it's not really possible to do anything for an attacker.

Also, in most cases, if you have installed and are using an SSO authenticator (like OIDC or LDAP for example), the worst an attacker can do is break authentication by switching back to the standard authenticator (that's because it's impossible to login to a user which does not have a stored password, and that's usually what SSO authenticator produce).

Patches

This has been patched in XWiki 15.10.9 and XWiki 16.3.0RC1.

Workarounds

You can very easily fix this vulnerability in your instance through right configuration: * access the page and children right administration of the page XWiki.Authentication (https://myhost/xwiki/bin/admin/XWiki/Authentication/WebPreferences?editor=spaceadmin&section=PageAndChildrenRights&space=XWiki.Authentication#|t=usersandgroupstable&p=1&l=10&uorg=groups&wiki=local&clsname=XWiki.XWikiGlobalRights) * make sure only admin user have the VIEW right

References

https://jira.xwiki.org/browse/XWIKI-22604 https://github.com/xwiki/xwiki-platform/commit/5efc31cea1501c9a5cb593566fea8b558ff32a2a

For more information

If you have any questions or comments about this advisory: * Open an issue in Jira XWiki.org * Email us at Security Mailing List

Severity ?
8.4 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-security-authentication-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "15.3-rc-1"
            },
            {
              "fixed": "15.10.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-security-authentication-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "16.0.0-rc-1"
            },
            {
              "fixed": "16.4.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-security-authentication-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "16.5.0-rc-1"
            },
            {
              "fixed": "16.10.0-rc-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-46557"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-04-30T16:51:53Z",
    "nvd_published_at": "2025-04-30T19:15:55Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nA user who can access pages located in the XWiki space (by default, anyone) can access the page `XWiki.Authentication.Administration` and (unless an authenticator is set in `xwiki.cfg`) switch to another installed authenticator.\n\nNote that, by default, there is only one authenticator available (`Standard XWiki Authenticator`). So, if no authenticator extension was installed, it\u0027s not really possible to do anything for an attacker.\n\nAlso, in most cases, if you have installed and are using an SSO authenticator (like OIDC or LDAP for example), the worst an attacker can do is break authentication by switching back to the standard authenticator (that\u0027s because it\u0027s impossible to login to a user which does not have a stored password, and that\u0027s usually what SSO authenticator produce).\n\n### Patches\n\nThis has been patched in XWiki 15.10.9 and XWiki 16.3.0RC1.\n\n### Workarounds\n\nYou can very easily fix this vulnerability in your instance through right configuration:\n* access the page and children right administration of the page `XWiki.Authentication` (`https://myhost/xwiki/bin/admin/XWiki/Authentication/WebPreferences?editor=spaceadmin\u0026section=PageAndChildrenRights\u0026space=XWiki.Authentication#|t=usersandgroupstable\u0026p=1\u0026l=10\u0026uorg=groups\u0026wiki=local\u0026clsname=XWiki.XWikiGlobalRights`)\n* make sure only admin user have the VIEW right\n\n### References\n\nhttps://jira.xwiki.org/browse/XWIKI-22604\nhttps://github.com/xwiki/xwiki-platform/commit/5efc31cea1501c9a5cb593566fea8b558ff32a2a\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)\n* Email us at [Security Mailing List](mailto:security@xwiki.org)",
  "id": "GHSA-f9c6-2f9p-82jj",
  "modified": "2025-05-01T13:30:33Z",
  "published": "2025-04-30T16:51:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-f9c6-2f9p-82jj"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-46557"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/commit/5efc31cea1501c9a5cb593566fea8b558ff32a2a"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/xwiki/xwiki-platform"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-22604"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Any user with view access to the XWiki space can change the authenticator"
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.