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veracodeVeracode Vulnerability DatabaseVERACODE:43331
HistorySep 21, 2023 - 7:22 a.m.

Cross Site Scripting

2023-09-2107:22:04
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
12
cross site scripting
endpoint vulnerability
insufficient checks
external images
svg file
javascript execution
memos software

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

24.3%

memos is vulnerable to Cross Site Scripting. The vulnerability is due to insufficient checks in the following /o/get/image?url= endpoint which is used to fetch external images. This can be exploited by the attacker to fetch malicious external image such as svg file and execute malicious javascript at the client side.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

24.3%

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