CVE-2026-75134
CVE-2026-75134
SEOWriting plugin for WordPress through 1.12.5 contains a stored cross-site scripting vulnerability that allows authenticated contributors to inject malicious JavaScript by exploiting an overly permissive KSES allowlist that explicitly permits the onload event handler on iframe elements. Attackers can store crafted JavaScript payloads in post content that execute when the affected post is viewed or previewed by higher-privileged users, potentially leading to privilege escalation or account compromise.
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.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-75134?
- CVE-2026-75134 is a medium-severity vulnerability, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-09-02.
- How severe is CVE-2026-75134?
- Medium severity. CVSS v3 base score is 6.4 out of 10.