{"id":"CVE-2016-6853","aliases":["EUVD-2016-7738","GHSA-6jmc-wgh2-9jr6"],"status":"published","title":"An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code and references to...","description":"An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code and references to external websites can be injected to the names of PGP public keys. When requesting that key later on using a specific URL, such script code might get executed. In case of injecting external websites, users might get lured into a phishing scheme. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02441,"percentile":0.84416,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2016-12-15T06:31:00Z","modified":"2026-06-17T00:51:53Z","exploits":[{"source":"exploitdb","id":"EDB-40377","title":"Open-Xchange Guard 2.4.2 - Multiple Cross-Site Scripting Vulnerabilities","type":"webapps","platform":"linux","date":"2016-09-13","url":"https://www.exploit-db.com/exploits/40377"}],"products":[{"vendor":"open-xchange","product":"ox_guard"}],"references":[{"url":"http://www.securityfocus.com/bid/92920","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/138701/Open-Xchange-Guard-2.4.2-Cross-Site-Scripting.html","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/40377/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/archive/1/539395/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6853"},{"url":"https://www.exploit-db.com/exploits/40377"},{"url":"https://github.com/advisories/GHSA-6jmc-wgh2-9jr6"}],"sources":{"cve":[{"id":"CVE-2016-6853","description":"An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code and references to external websites can be injected to the names of PGP public keys. When requesting that key later on using a specific URL, such script code might get executed. In case of injecting external websites, users might get lured into a phishing scheme. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).","status":"published","published":"2016-12-15T06:31:00Z","modified":"2024-08-06T01:43:38.457Z","updated_at":"2026-11-02T14:33:34.815789Z"}],"euvd":[{"id":"EUVD-2016-7738","description":"An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code and references to external websites can be injected to the names of PGP public keys. When requesting that key later on using a specific URL, such script code might get executed. In case of injecting external websites, users might get lured into a phishing scheme. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).","status":"published","published":"2016-12-15T06:31:00Z","modified":"2024-08-06T01:43:38Z","updated_at":"2026-11-03T02:22:35.048987Z"}],"ghsa":[{"id":"GHSA-6jmc-wgh2-9jr6","title":"An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code and references to...","description":"An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code and references to external websites can be injected to the names of PGP public keys. When requesting that key later on using a specific URL, such script code might get executed. In case of injecting external websites, users might get lured into a phishing scheme. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).","status":"published","published":"2022-05-14T02:20:06Z","modified":"2025-04-12T13:07:26Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:01:30.348567Z"}],"nvd":[{"id":"CVE-2016-6853","description":"An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code and references to external websites can be injected to the names of PGP public keys. When requesting that key later on using a specific URL, such script code might get executed. In case of injecting external websites, users might get lured into a phishing scheme. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwanted actions via the web interface (sending mail, deleting data etc.).","status":"published","published":"2016-12-15T06:59:24.58Z","modified":"2026-06-17T00:51:53.443Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:03:32.79141Z"}]}}