PT-2026-26820 · WordPress · Wordpress+1

Djaidja Moundjid · Published 2026-03-21 · Updated 2026-03-21 · CVE-2026-1886

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Go Night Pro | WordPress Dark Mode Plugin for WordPress versions through 1.1.0

Description The Go Night Pro | WordPress Dark Mode Plugin for WordPress is susceptible to Stored Cross-Site Scripting through the 'go-night-pro-shortcode' shortcode. Insufficient input sanitization and output escaping on the margin attribute allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update Go Night Pro | WordPress Dark Mode Plugin for WordPress to a version later than 1.1.0.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1886

Affected Products

Go Night Pro

Wordpress

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-1886 · Security Note
• https://plugins.trac.wordpress.org/browser/go-night-pro/tags/1.1.0/admin/partials/shortcode/go-night-shortcode-display.php#L61 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/4a75444e-b1e4-41e0-9209-07ded65c1498?source=cve · Note
• https://plugins.trac.wordpress.org/browser/go-night-pro/tags/1.1.0/admin/partials/shortcode/go-night-shortcode-display.php#L48 · Note
• https://plugins.trac.wordpress.org/browser/go-night-pro/trunk/admin/partials/shortcode/go-night-shortcode-display.php#L48 · Note
• https://plugins.trac.wordpress.org/browser/go-night-pro/trunk/admin/partials/shortcode/go-night-shortcode-display.php#L61 · Note
• https://twitter.com/CVEnew/status/2035237286091325898 · Twitter Post