What’s Vulnerable › Vulnerabilities

CVE-2023-5110: BSK PDF Manager <= 3.4.1 - 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: 2023-10-25 · updated 2026-06-17
• Weakness: CWE-79

Description

The BSK PDF Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'bsk-pdfm-category-dropdown' shortcode in versions up to, and including, 3.4.1 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

• bannersky BSK PDF Manager: through 3.4.1

References

• https://plugins.trac.wordpress.org/browser/bsk-pdf-manager/trunk/classes/shortcodes/category/category-dropdown.php?rev=2885460#L36
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2985503%40bsk-pdf-manager&new=2985503%40bsk-pdf-manager&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/60de55c6-e4fa-453e-84bd-309f2887e3cb?source=cve
• https://plugins.trac.wordpress.org/browser/bsk-pdf-manager/trunk/classes/shortcodes/category/category-dropdown.php?rev=2885460#L36
• https://www.wordfence.com/threat-intel/vulnerabilities/id/60de55c6-e4fa-453e-84bd-309f2887e3cb?source=cve

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