CVSS 3.1 Score 6.4 of 10 (medium)


Published Oct 4, 2023
Updated: Nov 7, 2023


CVE-2023-5291 is a vulnerability affecting the Blog Filter plugin for WordPress versions up to and including 1.5.3. This vulnerability allows authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages using the 'AWL-BlogFilter' shortcode, leading to stored cross-site scripting (XSS) attacks. The vulnerability arises from insufficient input sanitization and output escaping of user-supplied attributes. Organizations using any of the affected products are at risk of having malicious scripts executed when users access the injected pages. To remediate this vulnerability, users should update their Blog Filter plugin to a version that includes a fix for this issue, or consider using an alternative plugin altogether. The base severity is rated as MEDIUM with a CVSS score of 6.4, and the exploitability score is 3.1, indicating a moderate level of risk associated with this vulnerability.

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