What’s Vulnerable › Vulnerabilities

CVE-2023-5291: Blog Filter <= 1.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-04 · updated 2026-06-17
• Weakness: CWE-79

Description

The Blog Filter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'AWL-BlogFilter' shortcode in versions up to, and including, 1.5.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• A WP Life Blog Filter: through 1.5.3

References

• https://plugins.trac.wordpress.org/browser/blog-filter/tags/1.5.3/blog-filter-output.php#L128
• https://plugins.trac.wordpress.org/changeset/2974261/blog-filter#file54
• https://www.wordfence.com/threat-intel/vulnerabilities/id/b95c1bf7-bb05-44d3-a185-7e38e62b7201?source=cve
• https://plugins.trac.wordpress.org/browser/blog-filter/tags/1.5.3/blog-filter-output.php#L128
• https://plugins.trac.wordpress.org/changeset/2974261/blog-filter#file54
• https://www.wordfence.com/threat-intel/vulnerabilities/id/b95c1bf7-bb05-44d3-a185-7e38e62b7201?source=cve

Get alerted when CVE-2023-5291 or the next vulnerability affects your stack