Medium severity · published Nov 5, 2025
CVE-2025-11162
Spectra <= 2.19.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom CSS
6.4
CVSS
0.2%
EPSS
No
On KEV
Description
The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Custom CSS in all versions up to, and including, 2.19.14 due to insufficient input sanitization and output escaping. 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 an injected page.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SG
Spectra Gutenberg Blocks – Website Builder for the Block Editor · brainstormforce
through 2.19.14 · source: vendor
Affected product
SG
Spectra Gutenberg Blocks – Website Builder for the Block Editor
brainstormforce
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11162
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11162
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.14/classes/class-uagb-loader.php#L522
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/ultimate-addons-for-gutenberg/tags/2.19.14/classes/class-uagb-post-assets.php#L1418
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/2f077817-704f-4595-bfb1-80234dd23f8d?source=cve
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