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GoogleOSV:CVE-2021-46888

HistoryMay 21, 2023 - 8:15 p.m.

CVE-2021-46888

2023-05-2120:15:09

Google

osv.dev

cve-2021-46888

stored cross-site scripting

javascript execution

base64 encoding

hledger software

CVSS3

5.4

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

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

39.6%

JSON

An issue was discovered in hledger before 1.23. A Stored Cross-Site Scripting (XSS) vulnerability exists in toBloodhoundJson that allows an attacker to execute JavaScript by encoding user-controlled values in a payload with base64 and parsing them with the atob function.

References

github.com/simonmichael/hledger/issues/1525

github.com/simonmichael/hledger/pull/1663

github.com/simonmichael/hledger/releases/tag/1.23

www.youtube.com/watch?v=QnRO-VkfIic