CVE-2026-40545

EUVD-2026-33611
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
CERT-PLCNA
5.1 MEDIUM
NETWORK
LOW
NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 22%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
soplanningsoplanning
𝑥
≤ 1.55
CNA
Common Weakness Enumeration
References
https://cert.pl/en/posts/2026/06/CVE-2026-40543
https://www.soplanning.org/en/