{"cve":"CVE-2022-39265","nvd":{"published":"2022-10-06T18:16:12.163","modified":"2026-06-17T04:58:01.930","status":"Modified","description":"MyBB is a free and open source forum software. The _Mail Settings_ → Additional Parameters for PHP's mail() function mail_parameters setting value, in connection with the configured mail program's options and behavior, may allow access to sensitive information and Remote Code Execution (RCE). The vulnerable module requires Admin CP access with the `_Can manage settings?_` permission and may depend on configured file permissions. MyBB 1.8.31 resolves this issue with the commit `0cd318136a`. Users are advised to upgrade. There are no known workarounds for this vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":["CWE-77","CWE-74"],"references":["https://github.com/mybb/mybb/blob/mybb_1830/install/resources/settings.xml#L2331-L2338","https://github.com/mybb/mybb/commit/0cd318136a10b029bb5c8a8f6dddf39d87519797","https://github.com/mybb/mybb/security/advisories/GHSA-hxhm-rq9f-7xj7","https://mybb.com/versions/1.8.31/","https://github.com/mybb/mybb/blob/mybb_1830/install/resources/settings.xml#L2331-L2338"],"products":["mybb:mybb"],"source":"nvd","synced_at":"2026-10-19T21:36:05.460296998+00:00"},"epss":{"cve":"CVE-2022-39265","score":0.03107,"percentile":0.87778,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}