CVE-2026-2868
Deferred Deferred - Pending Action
Stored XSS in Gutenverse WordPress Plugin via separatorIconSVG

Publication date: 2026-05-05

Last updated on: 2026-05-05

Assigner: Wordfence

Description
The Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'separatorIconSVG' parameter in versions up to, and including, 3.5.3 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.
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Meta Information
Published
2026-05-05
Last Modified
2026-05-05
Generated
2026-05-07
AI Q&A
2026-05-06
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
gutenverse ultimate_wordpress_fse_blocks_addons_ecosystem to 3.5.3 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:

The vulnerability allows authenticated attackers with contributor-level access to inject arbitrary web scripts via stored cross-site scripting (XSS). This can lead to unauthorized access to user data or session hijacking, potentially compromising confidentiality and integrity of data.

Such security weaknesses can impact compliance with standards like GDPR and HIPAA, which require protection of personal and sensitive data against unauthorized access and breaches.

However, the provided information does not explicitly state the direct impact on compliance with these regulations.


Can you explain this vulnerability to me?

The Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) via the 'separatorIconSVG' parameter in versions up to and including 3.5.3.

This vulnerability exists because of insufficient input sanitization and output escaping, which allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts.

These injected scripts execute whenever a user accesses the page containing the malicious code.


How can this vulnerability impact me? :

An attacker with contributor-level access or above can exploit this vulnerability to inject malicious scripts into pages.

These scripts execute in the context of users who visit the infected pages, potentially leading to theft of user data, session hijacking, or other malicious actions.

Because the vulnerability allows stored XSS, the malicious code persists on the site and affects multiple users.


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