Home/CVE/A missing sanitization of search results for an autocomplete field in NextCloud Server <13.0.5 could lead to a stored XS
CVE

CVE-2018-3780

A missing sanitization of search results for an autocomplete field in NextCloud Server <13.0.5 could lead to a stored XS

A missing sanitization of search results for an autocomplete field in NextCloud Server <13.0.5 could lead to a stored XSS requiring user-interaction. The missing sanitization only affected user names, hence malicious search results could only be crafted by authenticated users.

MEDIUM · CVSS 5.4 EPSS 0.00543
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
nextcloud server< 13.0.5
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.0 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Aug 2018 · 07:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://hackerone.com/reports/383117Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2018-008Vendor Advisory
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