What is CVE-2026-14287?

CVE-2026-14287 is a medium-severity vulnerability in 10web Booster, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-08-19.

How severe is CVE-2026-14287?

Medium severity. CVSS v3 base score is 4.7 out of 10.

XSS in 10web Booster

CVE-2026-14287

The 10Web Booster WordPress plugin before 2.33.5 does not correctly validate an access token on an unauthenticated request handler and does not escape attacker-supplied stylesheet content before rendering it into the page head, allowing an unauthenticated attacker to store markup that executes as JavaScript in the browser of anonymous visitors to an affected page.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Unknown 10web Booster

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-14287?: CVE-2026-14287 is a medium-severity vulnerability in 10web Booster, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-08-19.
How severe is CVE-2026-14287?: Medium severity. CVSS v3 base score is 4.7 out of 10.