{"id":"CVE-2023-49782","aliases":["EUVD-2023-53703"],"status":"published","title":"Cross-Site-Scripting vulnerability in error message passing in richdocumentscode","description":"Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with `Collabora Online - Built-in CODE Server` app can be vulnerable to attack via proxy.php. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. Users are advised to upgrade. There are no known workarounds for this vulnerability.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0041,"percentile":0.35708,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-12-08T20:04:11Z","modified":"2026-06-17T06:36:27Z","products":[{"vendor":"collaboraoffice","product":"richdocumentscode"},{"vendor":"collaboraonline","product":"online"}],"references":[{"url":"https://github.com/CollaboraOnline/online/security/advisories/GHSA-8xm5-pgfr-8mjr","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://apps.nextcloud.com/apps/richdocumentscode","tags":["x_refsource_MISC","x_transferred","Product"]}],"sources":{"cve":[{"id":"CVE-2023-49782","title":"Cross-Site-Scripting vulnerability in error message passing in richdocumentscode","description":"Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with `Collabora Online - Built-in CODE Server` app can be vulnerable to attack via proxy.php. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-12-08T20:04:11.692Z","modified":"2024-08-02T22:01:25.983Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:12.998024Z"}],"euvd":[{"id":"EUVD-2023-53703","description":"Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with `Collabora Online - Built-in CODE Server` app can be vulnerable to attack via proxy.php. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-12-08T20:04:11Z","modified":"2024-08-02T22:01:25Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T03:49:55.731961Z"}],"nvd":[{"id":"CVE-2023-49782","description":"Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with `Collabora Online - Built-in CODE Server` app can be vulnerable to attack via proxy.php. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2023-12-08T20:15:07.783Z","modified":"2026-06-17T06:36:27.42Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:54.010507Z"}]}}