CVE-2026-10850 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Plane	Plane	1.3.1

Related Weaknesses (CWE)

CWE-79

References

https://fluidattacks.com/es/advisories/earthExploitThird Party Advisory
https://github.com/makeplane/planeProduct
https://fluidattacks.com/es/advisories/earthExploitThird Party Advisory

FAQ

What is CVE-2026-10850?

CVE-2026-10850 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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.

How severe is CVE-2026-10850?

CVE-2026-10850 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-10850?

Check the references section above for vendor advisories and patch information. Affected products include: Plane Plane.