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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.

PUBLISHED Reserved 2026-04-14 | Published 2026-06-01 | Updated 2026-06-01 | Assigner CERT-PL




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

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

Product status

Default status
unaffected

Any version
affected

Credits

Łukasz Jaworski finder

References

cert.pl/en/posts/2026/06/CVE-2026-40543 third-party-advisory

www.soplanning.org/en/ product

cve.org (CVE-2026-40545)

nvd.nist.gov (CVE-2026-40545)

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