CVE-2026-2868: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in jegstudio Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem
CVE-2026-2868 is a stored cross-site scripting (XSS) vulnerability in the Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin. It affects versions up to and including 3. 5. 3. The vulnerability arises from insufficient sanitization and escaping of the 'separatorIconSVG' parameter, allowing authenticated users with contributor-level access or higher to inject malicious scripts. These scripts execute when any user views the affected page. The CVSS score is 6. 4, indicating a medium severity risk. No official patch or remediation guidance is currently available from the vendor. Exploits in the wild are not known at this time.
AI Analysis
Technical Summary
The Gutenverse WordPress plugin suffers from a stored XSS vulnerability due to improper neutralization of input in the 'separatorIconSVG' parameter. Authenticated users with contributor or higher privileges can inject arbitrary JavaScript that executes in the context of other users viewing the compromised pages. This vulnerability is classified under CWE-79 and has a CVSS 3.1 base score of 6.4 (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N), reflecting network attack vector, low attack complexity, and partial confidentiality and integrity impact. No vendor patch or official remediation has been documented as of the published date.
Potential Impact
Successful exploitation allows an authenticated contributor or higher to inject persistent scripts that execute in other users' browsers when they access the affected pages. This can lead to partial confidentiality and integrity loss, such as session hijacking or unauthorized actions performed on behalf of users. There is no impact on availability. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict contributor-level access to trusted users only and consider removing or disabling the vulnerable plugin if feasible. Monitor for updates from the vendor to apply any forthcoming patches promptly.
CVE-2026-2868: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in jegstudio Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem
Description
CVE-2026-2868 is a stored cross-site scripting (XSS) vulnerability in the Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin. It affects versions up to and including 3. 5. 3. The vulnerability arises from insufficient sanitization and escaping of the 'separatorIconSVG' parameter, allowing authenticated users with contributor-level access or higher to inject malicious scripts. These scripts execute when any user views the affected page. The CVSS score is 6. 4, indicating a medium severity risk. No official patch or remediation guidance is currently available from the vendor. Exploits in the wild are not known at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Gutenverse WordPress plugin suffers from a stored XSS vulnerability due to improper neutralization of input in the 'separatorIconSVG' parameter. Authenticated users with contributor or higher privileges can inject arbitrary JavaScript that executes in the context of other users viewing the compromised pages. This vulnerability is classified under CWE-79 and has a CVSS 3.1 base score of 6.4 (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N), reflecting network attack vector, low attack complexity, and partial confidentiality and integrity impact. No vendor patch or official remediation has been documented as of the published date.
Potential Impact
Successful exploitation allows an authenticated contributor or higher to inject persistent scripts that execute in other users' browsers when they access the affected pages. This can lead to partial confidentiality and integrity loss, such as session hijacking or unauthorized actions performed on behalf of users. There is no impact on availability. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict contributor-level access to trusted users only and consider removing or disabling the vulnerable plugin if feasible. Monitor for updates from the vendor to apply any forthcoming patches promptly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-02-20T14:31:17.028Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f95b2ccbff5d8610879563
Added to database: 5/5/2026, 2:51:24 AM
Last enriched: 5/5/2026, 3:07:32 AM
Last updated: 5/5/2026, 5:54:32 AM
Views: 5
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