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CVE-2021-46871

Good to know:

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Date: January 9, 2023

tag.ex in Phoenix Phoenix.HTML (aka phoenix_html) before 3.0.4 allows XSS in HEEx class attributes.

Language: ELIXIR

Severity Score

Related Resources (5)

https://github.com/advisories/GHSA-j3gg-r6gp-95q2
https://nvd.nist.gov/vuln/detail/CVE-2021-46871
https://github.com/phoenixframework/phoenix_html
https://github.com/phoenixframework/phoenix_html/commit/62a0139fb716bcdce697f6221244bd81d321d620
https://www.mend.io/vulnerability-database/CVE-2021-46871

Severity Score

Weakness Type (CWE)

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

CWE-79

Top Fix

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Upgrade Version

Upgrade to version phoenix_html - 3.0.4;phoenix_html - 3.0.4

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CVSS v3.1

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

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