CVE-2026-12108 | The Highlighting Code Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations a
The Highlighting Code Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
- 🔗 www.wordfence.com/threat-intel/vulnerabilities/id/166e1d3a-…
- 🔗 plugins.trac.wordpress.org/browser/highlighting-code-block/tags/2.2.…
- 🔗 plugins.trac.wordpress.org/browser/highlighting-code-block/tags/2.2.…
- 🔗 plugins.trac.wordpress.org/browser/highlighting-code-block/tags/2.2.…
- 🔗 plugins.trac.wordpress.org/browser/highlighting-code-block/tags/2.1.…
- 🔗 plugins.trac.wordpress.org/browser/highlighting-code-block/tags/2.1.…
- 🔗 plugins.trac.wordpress.org/browser/highlighting-code-block/tags/2.1.…
- 🔗 plugins.trac.wordpress.org/changeset
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📊 Historien-Charts — Criticals-Trend · Vendors · EPSS-Verteilung
| Tier | 2026-08-29 | 2026-09-14 |
|---|---|---|
| ≥90 % | 4 | 0 |
| ≥50 % | 4 | 0 |
| ≥10 % | 3 | 0 |
| <10 % | 304 | 300 |
CVE-2026-12108 | The Highlighting Code Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations a
The Highlighting Code Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.2.0 due to insufficient input sanitization and output escaping. This makes it possible