{"schemaVersion":3,"id":"CVE-2023-6835","aliases":["GHSA-w7rx-824v-rgx5"],"status":"published","duplicateOf":null,"title":null,"description":"Multiple WSO2 products have been identified as vulnerable due to lack of server-side input validation in the Forum feature, API rating could be manipulated.","dates":{"published":"2023-12-15T09:16:27.473Z","modified":"2024-08-02T08:42:07.483Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Maven","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":7.2,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0052,"percentile":0.4304,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.0052},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0052,"percentile":0.4304}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0052,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0052,"percentile":0.4304}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"org.wso2.carbon.apimgt","product":"forum","name":"org.wso2.carbon.apimgt:forum","label":"forum","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.wso2.carbon.apimgt/forum","purlType":"maven","versions":[{"text":"≤ 9.0.78","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 9.0.78","eol":null,"hubHref":null},{"vendor":"wso2","product":"api_manager","name":"api manager","label":"api_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.2.0","noFixRecorded":false,"fixedIn":null},{"text":"2.5.0","noFixRecorded":false,"fixedIn":null},{"text":"2.6.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.2.0 | 2.5.0 | 2.6.0","eol":null,"hubHref":"/vendor/wso2/api_manager"},{"vendor":"wso2","product":"iot_server","name":"iot server","label":"iot_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"3.3.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"3.3.1","eol":null,"hubHref":"/vendor/wso2/iot_server"},{"vendor":"wso2","product":"wso2 api manager","name":"WSO2 API Manager","label":"wso2 api manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.2.0.0, < 2.2.0.16","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.5.0.0, < 2.5.0.17","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.6.0.0, < 2.6.0.24","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.2.0.0, < 2.2.0.16 | ≥ 2.5.0.0, < 2.5.0.17 | ≥ 2.6.0.0, < 2.6.0.24","eol":null,"hubHref":"/vendor/wso2/wso2_api_manager"},{"vendor":"wso2","product":"wso2 iot server","name":"WSO2 IoT Server","label":"wso2 iot server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 3.3.1.0, < 3.3.1.17","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 3.3.1.0, < 3.3.1.17","eol":null,"hubHref":"/vendor/wso2/wso2_iot_server"}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1357/","label":"security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1357/","hostname":"security.docs.wso2.com","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6835","label":"nvd.nist.gov/vuln/detail/CVE-2023-6835","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/wso2/carbon-apimgt/commit/2e9591b72bc286dfcd22b57768e984d867c902ba","label":"github.com/wso2/carbon-apimgt/commit/2e9591b72bc286dfcd22b57768e984d867c902ba","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/wso2/carbon-apimgt","label":"github.com/wso2/carbon-apimgt","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://github.com/wso2/carbon-apimgt/blob/81e0c0b8ed0bd2dace1e9006be21acbb731c835e/components/forum/org.wso2.carbon.forum/src/main/java/org/wso2/carbon/forum/registry/RegistryForumManager.java#L762","label":"github.com/wso2/…","hostname":"github.com","tags":["WEB"]},{"url":"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1357","label":"security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1357","hostname":"security.docs.wso2.com","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-12-15T09:16:27.473Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-02T08:42:07.483Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":21,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T19:31:10.585Z","stale":false,"partial":false}}