Reflected XSS in Silverpeas Core AdvancedSearch Allows Script Execution

Publication date: 2026-04-22

Last updated on: 2026-04-22

Assigner: MITRE

Description

A reflected cross-site scripting (XSS) vulnerability in the AdvancedSearch functionality of Silverpeas Core before version 6.4.6 allows attackers to execute arbitrary JavaScript in the context of a user's browser via crafted input.

CVSS Scores

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Meta Information

Published

2026-04-22

Last Modified

2026-04-22

Generated

2026-07-06

AI Q&A

2026-04-23

EPSS Evaluated

2026-07-05

NVD

CVE-2026-30139

EUVD

EUVD-2026-24960

Affected Vendors & Products

Vendor	Product	Version / Range
silverpeas	silverpeas_core	6.4.6

Helpful Resources

Exploitability

CWE

KEV

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

Executive Summary

This vulnerability is a reflected cross-site scripting (XSS) issue found in the AdvancedSearch functionality of Silverpeas Core versions before 6.4.6. It allows attackers to inject and execute arbitrary JavaScript code in the context of a user's browser by sending specially crafted input.

Impact Analysis

An attacker exploiting this vulnerability can execute malicious JavaScript in a user's browser, potentially leading to unauthorized actions such as stealing session cookies, hijacking user accounts, defacing web content, or redirecting users to malicious sites.

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