Sticky <= 2.5.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'readmoretext' Shortcode Attribute
The Sticky plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the cvmh-sticky shortcode readmoretext attribute in versions up to and including 2.5.6. This is due to insufficient input sanitization and output escaping in the cvmh_sticky_front_render() function — the readmoretext attribute value is passed through apply_filters() and directly concatenated into the HTML output without any escaping function such as esc_html(). This makes it possible for authenticated attackers with Contributor-level access and above to inject arbitrary web scripts in pages that will execute whenever a user accesses a page containing the injected shortcode.
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| Platforma | Paczka | Podatne wersje | Poprawka w wersji |
|---|---|---|---|
| Wtyczka WordPress | Sticky | <= 2.5.6 | brak poprawki |
Odnośniki
- Wektor CVSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N- Słabość (CWE)
CWE-79- Platforma
- WordPress
- Paczka
Sticky- Ujawniono
- 19.05.2026
- Aktualizacja
- 11.10.2026 10:22
Źródła i licencje
Wordfence Intelligence - 135783c5-8175-4775-a013-f1e2bef04479 - Wordfence Intelligence
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