CVE-2026-78741 Details
Description
Silverpeas Core <=6.4.6 is vulnerable to Cross Site Scripting (XSS) in the wysiwyg-CKEditor image upload feature.
A stored cross-site scripting vulnerability has been identified in Silverpeas Core versions through 6.4.6. The issue arises in the wysiwyg-CKEditor image upload feature, where an attacker can intercept a file upload request and inject a JavaScript payload by replacing the filename. Once the file is uploaded, the injected script is executed.
Users can upgrade to Silverpeas Core version 6.4.7 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 8, 2026CISA-ADP
Assessed Sep 9, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://hekk.one/posts/research/cve-2026-78741/ | CISA-ADP | ExploitTechnical Description |
| https://hekk.one/posts/research/cve-2026-78741/ | [email protected] | ExploitTechnical Description |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Silverpeas | <= 6.4.6 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 9, 2026 | CVE Modified | CISA-ADP |
| Sep 8, 2026 | New CVE Received | [email protected] |