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cve[email protected]CVE-2021-29438
HistoryApr 13, 2021 - 8:15 p.m.

CVE-2021-29438

2021-04-1320:15:22
CWE-80
CWE-79
web.nvd.nist.gov
26
4
nextcloud
dialogs
library
xss
vulnerability
patch
version 3.1.2
npm
package
@nextcloud/dialogs
toast
input
ishtml

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

22.9%

The Nextcloud dialogs library (npm package @nextcloud/dialogs) before 3.1.2 insufficiently escaped text input passed to a toast. If your application displays toasts with user-supplied input, this could lead to a XSS vulnerability. The vulnerability has been patched in version 3.1.2 If you need to display HTML in the toast, explicitly pass the options.isHTML config flag.

Affected configurations

Vulners
NVD
Node
nextcloudnextcloudRange<3.1.2
VendorProductVersionCPE
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "nextcloud-dialogs",
    "vendor": "nextcloud",
    "versions": [
      {
        "status": "affected",
        "version": "< 3.1.2"
      }
    ]
  }
]

Social References

More

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

22.9%

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