CVE-2026-111122 SiteOrigin CSS WordPress Plugin - Stored XSS

SiteOrigin CSS WordPress plugin <= 1.6.7 contains a stored DOM-based cross-site scripting caused by insufficient sanitization and escaping of the 'href' parameter, letting unauthenticated attackers inject scripts executed by administrators, exploit requires comment approval and admin interaction.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Stored Xss
Impact
Stored Xss
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Published
16 October 2026
Updated
16 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version beyond 1.6.7.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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