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usememos/memos vulnerable to stored cross-site scripting (XSS)

Moderate severity GitHub Reviewed Published Dec 23, 2022 to the GitHub Advisory Database • Updated Feb 2, 2023

Package

gomod github.com/usememos/memos (Go)

Affected versions

< 0.9.0

Patched versions

0.9.0

Description

usememos/memos is an open-source, self-hosted memo hub with knowledge management and socialization. Memos prior to 0.9.0 has a feature to upload file and display it, and by uploading a crafted SVG file, an attacker could perform a stored cross-site scripting attack with the image direct link. This was patched in version 0.9.0.

References

Published by the National Vulnerability Database Dec 23, 2022
Published to the GitHub Advisory Database Dec 23, 2022
Reviewed Dec 27, 2022
Last updated Feb 2, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(25th percentile)

Weaknesses

CVE ID

CVE-2022-4690

GHSA ID

GHSA-c8jh-vcjh-fx2w

Source code

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