CVSS 3.1 Score 7.2 of 10 (high)


Published May 3, 2024


CVE-2024-4439 is a vulnerability in WordPress Core that affects various versions up to 6.5.2. It allows authenticated attackers with contributor-level access and above to inject arbitrary web scripts in pages by exploiting insufficient output escaping on the display name in the Avatar block. This can lead to the execution of these scripts whenever a user accesses an injected page. Additionally, unauthenticated attackers can also inject arbitrary web scripts in pages that have the comment block present and display the comment author's avatar. The vulnerability has a base severity rating of HIGH with a base score of 7.2 according to The impact score is 2.7, indicating low integrity and confidentiality impacts, while the exploitability score is 3.9. It is important for organizations using affected versions of WordPress Core to remediate this vulnerability promptly to prevent potential harm from malicious script injections.

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