{"id":"CVE-2026-13597","state":"PUBLISHED","title":"QRcode Login for WeChat <= 1.3 - Unauthenticated Account Takeover","description":"The 微信二维码登陆 WordPress plugin through 1.3 does not properly validate WeChat webhook requests, as its signature check always passes, and it discloses the generated login code in the webhook response. This allows an unauthenticated attacker to forge a login event for any existing username, read the login code, and redeem it through an unauthenticated AJAX action to log in as that user, including an administrator, without a password.","publishedAt":"2026-07-27T06:00:03.687Z","updatedAt":"2026-07-27T13:52:26.324Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown 微信二维码登陆"],"affected":[{"vendor":"Unknown","product":"微信二维码登陆","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.3","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/5e856219-ece5-4d79-8375-fc0cbdc37d6c/"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13597.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13597","state":"PUBLISHED","datePublished":"2026-07-27T06:00:03.687Z","dateUpdated":"2026-07-27T13:52:26.324Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-06-29T07:36:53.053Z"},"containers":{"cna":{"title":"QRcode Login for WeChat <= 1.3 - Unauthenticated Account Takeover","descriptions":[{"lang":"en","value":"The 微信二维码登陆 WordPress plugin through 1.3 does not properly validate WeChat webhook requests, as its signature check always passes, and it discloses the generated login code in the webhook response. This allows an unauthenticated attacker to forge a login event for any existing username, read the login code, and redeem it through an unauthenticated AJAX action to log in as that user, including an administrator, without a password."}],"affected":[{"vendor":"Unknown","product":"微信二维码登陆","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.3","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/5e856219-ece5-4d79-8375-fc0cbdc37d6c/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-07-27T06:00:03.687Z"},"credits":[{"lang":"en","value":"João Ramos Maciel","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-27T13:52:00.780073Z","id":"CVE-2026-13597","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","type":"CWE","lang":"en","description":"CWE-287 Improper Authentication"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-27T13:52:26.324Z"}}]}}}