XSS in Wpxpo Post Grid Gutenberg Blocks – Postx
CVE-2026-13253
The Ultimate Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'moreResultsText' block attribute of the ultimate-post/advanced-search block in versions up to and including 5.0.31. This is due to insufficient in…
Vulnerability class: XSS (Cross-Site Scripting)
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
- Wpxpo Post Grid Gutenberg Blocks – Postx — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-13253?
- CVE-2026-13253 is a medium-severity vulnerability in Wpxpo Post Grid Gutenberg Blocks – Postx, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-09.
- How severe is CVE-2026-13253?
- Medium severity. CVSS v3 base score is 6.4 out of 10.