{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T04:57:07.930","vulnerabilities":[{"cve":{"id":"CVE-2021-32732","sourceIdentifier":"security-advisories@github.com","published":"2022-02-04T23:15:11.547","lastModified":"2024-11-21T06:07:37.293","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"### 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)"},{"lang":"es","value":"### Impacto Es posible saber si un usuario presenta o no una cuenta en un wiki relacionada con una dirección de correo electrónico, y qué nombre(s) de usuario está(n) realmente vinculado(s) a ese correo electrónico al falsificar una petición a la página de Nombre de usuario olvidado. Ten en cuenta que como esta página no presenta una comprobación de tipo CSRF es bastante fácil llevar a cabo muchas de esas peticiones. ### Parches Este problema ha sido parcheado en XWiki versiones 12.10.5 y 13.2RC1. Se proporcionan dos parches diferentes: - uno para corregir el problema de CSRF - otro más complejo que ahora es basado en el envío de un correo electrónico para el proceso Forgot username. ### Mitigaciones Es posible arreglar el problema sin actualizar al editar la página de ForgotUsername en versiones anteriores a 13.x, para usar el siguiente código: 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 En la versión posterior a 13.x también es posible editar manualmente el archivo forgotusername.vm, pero es recomendado actualizar la versión aquí.  References * https://jira.xwiki.org/browse/XWIKI-18384 * https://jira.xwiki.org/browse/XWIKI-18408 ###. Para más información Si presenta alguna pregunta o comentario sobre este aviso: * Abra una incidencia en [Jira XWiki](https://jira.xwiki.org) * Envíenos un correo electrónico a [security ML](mailto:security@xwiki.org)"}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-352"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-352"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*","versionEndExcluding":"12.10.5","matchCriteriaId":"1D3FA811-A9C4-45F7-A876-BB5D69DA7BCE"},{"vulnerable":true,"criteria":"cpe:2.3:a:xwiki:xwiki:13.0:*:*:*:*:*:*:*","matchCriteriaId":"E8ED2C6F-77E6-4B53-A52D-0CD7FA08AFD1"},{"vulnerable":true,"criteria":"cpe:2.3:a:xwiki:xwiki:13.1:-:*:*:*:*:*:*","matchCriteriaId":"333C6A66-CDCD-46DC-A095-74D35B076A78"}]}]}],"references":[{"url":"https://github.com/xwiki/xwiki-platform/commit/69548c0320cbd772540cf4668743e69f879812cf","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/xwiki/xwiki-platform/commit/f0440dfcbba705e03f7565cd88893dde57ca3fa8","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vh5c-jqfg-mhrh","source":"security-advisories@github.com","tags":["Mitigation","Third Party Advisory"]},{"url":"https://jira.xwiki.org/browse/XWIKI-18384","source":"security-advisories@github.com","tags":["Exploit","Patch","Vendor Advisory"]},{"url":"https://jira.xwiki.org/browse/XWIKI-18408","source":"security-advisories@github.com","tags":["Exploit","Patch","Vendor Advisory"]},{"url":"https://github.com/xwiki/xwiki-platform/commit/69548c0320cbd772540cf4668743e69f879812cf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/xwiki/xwiki-platform/commit/f0440dfcbba705e03f7565cd88893dde57ca3fa8","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vh5c-jqfg-mhrh","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mitigation","Third Party Advisory"]},{"url":"https://jira.xwiki.org/browse/XWIKI-18384","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Vendor Advisory"]},{"url":"https://jira.xwiki.org/browse/XWIKI-18408","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Vendor Advisory"]}]}}]}