{"id":"CVE-2021-47905","state":"PUBLISHED","title":"MyBB Delete Account Plugin 1.4 - Cross-Site Scripting","description":"MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.","publishedAt":"2026-01-23T16:47:44.014Z","updatedAt":"2026-01-23T21:47:23.266Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["vintagedaddyo MyBB Delete Account Plugin"],"affected":[{"vendor":"vintagedaddyo","product":"MyBB Delete Account Plugin","versions":[{"version":"1.4","status":"affected"}]}],"references":["https://www.exploit-db.com/exploits/49500","https://github.com/vintagedaddyo/MyBB_Plugin-Delete_Account/","https://www.vulncheck.com/advisories/mybb-delete-account-plugin-cross-site-scripting"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47905.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47905","state":"PUBLISHED","datePublished":"2026-01-23T16:47:44.014Z","dateUpdated":"2026-01-23T21:47:23.266Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-01-18T12:35:05.177Z"},"containers":{"cna":{"title":"MyBB Delete Account Plugin 1.4 - Cross-Site Scripting","descriptions":[{"lang":"en","value":"MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons."}],"affected":[{"vendor":"vintagedaddyo","product":"MyBB Delete Account Plugin","versions":[{"version":"1.4","status":"affected"}]}],"references":[{"url":"https://www.exploit-db.com/exploits/49500","name":"ExploitDB-49500","tags":["exploit"]},{"url":"https://github.com/vintagedaddyo/MyBB_Plugin-Delete_Account/","name":"MyBB Delete Account Plugin Repository","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/mybb-delete-account-plugin-cross-site-scripting","name":"VulnCheck Advisory: MyBB Delete Account Plugin 1.4 - Cross-Site Scripting","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-01-23T16:47:44.014Z"},"datePublic":"2021-01-25T00:00:00.000Z","credits":[{"lang":"en","value":"0xB9","type":"finder"}],"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.exploit-db.com/exploits/49500","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-23T20:56:11.137403Z","id":"CVE-2021-47905","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-23T21:47:23.266Z"}}]}}}