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NextcloudGHSA-6G88-37X7-4VW6HistoryAug 10, 2023 - 7:11 a.m.
Notes attachment render HTML in preview mode
2023-08-1007:11:01
github.com
18
nextcloud
notes
html
preview
attachment
hackerone
pullrequest
upgrade
security
advisory
support
CVSS3
6.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.001
Percentile
23.8%
Description
Impact
When creating a note file with HTML, the content is rendered in the preview instead of the file being offered to download.
Patches
It is recommended that the Nextcloud Notes app is upgraded to 4.8.0
Workarounds
- No workaround available
References
For more information
If you have any questions or comments about this advisory:
- Create a post in nextcloud/security-advisories
- Customers: Open a support ticket at portal.nextcloud.com
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CVSS3
6.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.001
Percentile
23.8%
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