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CVE-2021-46888

Date: May 20, 2023

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.

Language: HASKELL

Severity Score

Related Resources (6)

https://github.com/simonmichael/hledger/issues/1525
https://nvd.nist.gov/vuln/detail/CVE-2021-46888
https://www.youtube.com/watch?v=QnRO-VkfIic
https://github.com/simonmichael/hledger/pull/1663
https://github.com/simonmichael/hledger/releases/tag/1.23
https://www.mend.io/vulnerability-database/CVE-2021-46888

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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