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Los usuarios que reciben un enlace de invitación que no está dirigido a una única dirección de correo electrónico pueden ingresar el correo electrónico de cualquier usuario que no sea administrador y obtener acceso a su cuenta al aceptar la invitación. Todos los usuarios deben actualizar a la última versión. Un workaround alternativo es deshabilitar temporalmente las invitaciones con `SiteSetting.max_invites_per_day = 0` o limitarlas a direcciones de correo electrónico individuales."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"discourse","product":"discourse","versions":[{"version":"<= 2.8.9","status":"affected"},{"version":"<= 2.9.0.beta10","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","baseScore":8.9,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"},"exploitabilityScore":2.3,"impactScore":6.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-04-23T15:47:11.705998Z","id":"CVE-2022-39356","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-285"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*","versionEndExcluding":"2.8.10","matchCriteriaId":"6B12D112-6E19-48E4-92C4-0719F6719929"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta1:*:*:*:*:*:*","matchCriteriaId":"B3803EF9-A296-42B7-887F-93C5E68E94C4"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta10:*:*:*:*:*:*","matchCriteriaId":"35BAC488-3622-4B0B-B8EA-879E8C68E8CF"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta2:*:*:*:*:*:*","matchCriteriaId":"8BA3D313-3C11-43E2-A47D-CBB532D1B6F8"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta3:*:*:*:*:*:*","matchCriteriaId":"6F42673E-65F3-4807-9484-20CB747420FB"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta4:*:*:*:*:*:*","matchCriteriaId":"0B91D023-FCE5-4866-AD8B-BBB675763104"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta5:*:*:*:*:*:*","matchCriteriaId":"0086484D-0164-449C-8AAE-BE7479CB9706"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta6:*:*:*:*:*:*","matchCriteriaId":"F9D1B031-96C7-44C0-A0A0-F67ABE55C93C"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta7:*:*:*:*:*:*","matchCriteriaId":"750D2AD9-35E7-4AC7-9C22-AA90DAA34F3F"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta8:*:*:*:*:*:*","matchCriteriaId":"B68E308A-BDAB-4614-A563-4460F7996CBE"},{"vulnerable":true,"criteria":"cpe:2.3:a:discourse:discourse:2.9.0:beta9:*:*:*:*:*:*","matchCriteriaId":"5DEDE4C5-2C2A-4B74-BB41-8AAA0EE636E2"}]}]}],"references":[{"url":"https://github.com/discourse/discourse/pull/18817","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-x8w7-rwmr-w278","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://github.com/discourse/discourse/pull/18817","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/discourse/discourse/security/advisories/GHSA-x8w7-rwmr-w278","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}