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CVE-2026-40545

Medium

Description

SOPlanning is vulnerable to Reflected XSS via the taches parameter. An attacker can craft a malicious URL which, when opened by authenticated victim, results in arbitrary JavaScript execution in the victim’s browser. This issue affects SOPlanning version 1.55 and below.

SeverityMedium
CVSS5.1
Exploit probability—
ProductSOPlanning
PublishedJun 1, 2026
First seenJun 1, 2026
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
SOPlanning SOPlanningv ≤ 1.55—

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