CVE-2026-10850 | Plane CE 1.3.1 allows a low-privileged project member to sub… | CVSS 6.9 MEDIUM

Description

Plane CE 1.3.1 allows a low-privileged project member to submit arbitrary HTML/JS in the description_html field when creating an intake work item through the API v1 intake endpoint.

Metadata

CVE ID: CVE-2026-10850
State: PUBLISHED
Assigner: Fluid Attacks
Reserved: 2026-06-04 12:27 UTC
Published: 2026-06-17 14:39 UTC
Last updated: 2026-06-17 15:39 UTC
Primary CWE: CWE-79
CWE-79 Improper Neutralization of Input During Web Page Gene…
Vendor / Product: Plane / Plane
Sources: cve.org · NVD

Severity & Metrics

6.9 MEDIUM CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
Plane	Plane	Windows,MacOS,Linux	1.3.1

Weakness (CWE)

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

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.9	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N

References (2)