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HackeroneCVE-2018-3763

HistoryJul 05, 2018 - 4:29 p.m.

CVE-2018-3763

2018-07-0516:29:00

CWE-79

hackerone

web.nvd.nist.gov

nextcloud

calendar

xss

cve-2018-3763

security vulnerability

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS3

4.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

AI Score

4.8

Confidence

High

EPSS

0.001

Percentile

21.7%

JSON

In 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 requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like admins or group admins.

Affected configurations

Nvd

Vulners

Node

nextcloudcalendarRange<1.5.8

nextcloudcalendarMatch1.6.0

VendorProductVersionCPE
nextcloudcalendar*cpe:2.3:a:nextcloud:calendar:*:*:*:*:*:*:*:*
nextcloudcalendar1.6.0cpe:2.3:a:nextcloud:calendar:1.6.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	calendar	*	cpe:2.3:a:nextcloud:calendar::::::::
nextcloud	calendar	1.6.0	cpe:2.3:a:nextcloud:calendar:1.6.0:::::::*

CNA Affected

[
  {
    "product": "Nextcloud Calendar application",
    "vendor": "Nextcloud",
    "versions": [
      {
        "status": "affected",
        "version": "<1.6.1, <1.5.8"
      }
    ]
  }
]

References

nextcloud.com/security/advisory/?id=nc-sa-2018-004

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS3

4.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

AI Score

4.8

Confidence

High

EPSS

0.001

Percentile

21.7%

JSON

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