CVE-2018-3762

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-284 CWE-281

Affected software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	<13.0.3, <12.0.8

References

https://hackerone.com/reports/358339Third Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2018-002Broken Link, Vendor Advisory
https://hackerone.com/reports/358339Third Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2018-002Broken Link, Vendor Advisory

Timeline

Published: Jul 5, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2018

CVE-2018-37634.8In Nextcloud Calendar before 1.5.8 and 1.6.1, a missing sanitization of search results for an autocomplete field could lead to a stored XSS CVE-2018-37644.8In Nextcloud Contacts before 2.1.2, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring CVE-2018-37667.5Path traversal in buttle module versions <= 0.2.0 allows to read any file in the server.CVE-2018-37679.1`memjs` versions <= 1.1.0 allocates and stores buffers on typed input, resulting in DoS and uninitialized memory usage.CVE-2018-37696.1ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter.CVE-2018-37705.5A path traversal exists in markdown-pdf version <9.0.0 that allows a user to insert a malicious html code that can result in reading the loc CVE-2018-37716.1An XSS in statics-server <= 0.0.9 can be used via injected iframe in the filename when statics-server displays directory index in the browse CVE-2018-37729.8Concatenating unsanitized user input in the `whereis` npm module < 0.4.1 allowed an attacker to execute arbitrary commands. The `whereis` mo CVE-2018-37736.1There is a stored Cross-Site Scripting vulnerability in Open Graph meta properties read by the `metascrape` npm module <= 3.9.2.CVE-2018-377410.0Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open Redirect, Bypass Aut CVE-2018-37758.8Improper Authentication in Nextcloud Server prior to version 12.0.3 would allow an attacker that obtained user credentials to bypass the 2 F CVE-2018-37765.3Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could lead to an attacker's actions not being logged in the audit lo