XSS in Dougblackjr Pdfl.io
CVE-2026-4073
The pdfl.io plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pdflio' shortcode in all versions up to, and including, 1.0.5. This is due to insufficient input sanitization and output escaping on the 'text' shortcod…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (3.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Dougblackjr Pdfl.io — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/2bf70203-61c0-406a-9110-b6076…
- plugins.trac.wordpress.org/browser/pdfl-io/trunk/pdflio.php
- plugins.trac.wordpress.org/browser/pdfl-io/tags/1.0.5/pdflio.php
- plugins.trac.wordpress.org/browser/pdfl-io/trunk/pdflio.php
- plugins.trac.wordpress.org/browser/pdfl-io/tags/1.0.5/pdflio.php
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-4073?
- CVE-2026-4073 is a medium-severity vulnerability in Dougblackjr Pdfl.io, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-08.
- How severe is CVE-2026-4073?
- Medium severity. CVSS v3 base score is 6.4 out of 10.