XSS in Pubudu-malalasekara Post Blocks & Tools
CVE-2026-5711
The Post Blocks & Tools plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'sliderStyle' block attribute in the Posts Slider block in all versions up to, and including, 1.3.0 due to insufficient input sanitization an…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (13.0th 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
- Pubudu-malalasekara Post Blocks & Tools — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/aeada6dc-0851-45e8-ada9-ff042…
- plugins.trac.wordpress.org/browser/bnm-blocks/tags/1.3.0/src/blocks/posts/slide…
- plugins.trac.wordpress.org/browser/bnm-blocks/trunk/src/blocks/posts/slider/vie…
- plugins.trac.wordpress.org/browser/bnm-blocks/tags/1.3.1/src/blocks/posts/slide…
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-5711?
- CVE-2026-5711 is a medium-severity vulnerability in Pubudu-malalasekara Post Blocks & Tools, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-08.
- How severe is CVE-2026-5711?
- Medium severity. CVSS v3 base score is 6.4 out of 10.