CVE-2026-121721 is a Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the WordPress plugin advanced-gutenberg (advanced-gutenberg). Versions before 3.7.7 are affected. Fixed in 3.7.7. CVSS score: 6.5 (Medium). Published 2026-11-13.
CVE · Medium
CVE-2026-121721 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-121721 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.5 | < 3.7.7 | 3.7.7 | 2026-11-13 | — |
Scan your WordPress site free
No signup, no credit card — enter your URL and get a security report in seconds.