CVE-2026-112111
Medium · CVSS 5.1Published 2026-10-18
CVSS
5.1
Medium
EPSS
—
exploit probability
Active Exploit
No
not yet listed
What is CVE-2026-112111?
The Bootstrap Shortcodes plugin for WordPress before 3.4.6 is vulnerable to stored XSS via the id attribute of the [bs_tcontent] shortcode. The bs_tcontent() shortcode handler in inc/bs_tabs.php emits the id attribute value into an unquoted HTML attribute. esc_attr() is applied, but it does not encode space characters, so a space in the supplied value terminates the attribute and any following text is parsed as additional HTML attributes, including JavaScript event handlers. This allows authenticated attackers with Contributor-level access and above to inject arbitrary web script that executes in the browser of any user who views the page and interacts with the injected element.
CVSS Score Explained
CVSS 5.1 is Medium severity. Exploitation usually requires some specific conditions (local access, user interaction, or a particular config). Still worth patching in your next maintenance window.
EPSS Exploitation Probability
No EPSS score yet — model needs more data on this CVE.
References & Patches
- ›https://github.com/TheWebShop/bootstrap-shortcodes/commit/c26659ccb6ddb871c7dee1b77cb81cad63e7a75b
- PATCHhttps://github.com/TheWebShop/bootstrap-shortcodes/releases/tag/3.4.6
- ›https://plugins.trac.wordpress.org/browser/bootstrap-shortcodes/tags/3.4.4/inc/bs_tabs.php#L84
- ›https://wordpress.org/plugins/bootstrap-shortcodes/
- ›https://wordpress.org/plugins/bootstrap-shortcodes/#developers
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