CVE-2026-40545 PUBLISHED

Reflected XSS in SOPlanning

Assigner: CERT-PL
Reserved: 14.04.2026 Published: 01.06.2026 Updated: 01.06.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	SOPlanning
Product	SOPlanning
Versions	Default: unaffected affected from 0 to 1.55 (incl.)

Credits

Łukasz Jaworski finder

References

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') CWE

Impacts

CAPEC-591 Reflected XSS