CVE-2026-10850 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-10850MEDIUM

Plane 1.3.1 - Stored XSS in intake issue description_html

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   L   P   H   N   N    6.9   .0016    6.2     —

AFFECTED
  Product  Versions  Fixed
  Plane    1.3.1 –   —

TIMELINE
  Jun 4   Reserved by Fluid Attacks
  Jun 17  EXPLOIT PUBLISHED — CVE-2026-10850 (Plane). Public exploit reference added.
  Jun 17  Published (CNA: Fluid Attacks)

CWE-79 · CNA: Fluid Attacks · CVSS v4.0 · 2 references · NVD status: Analyzed

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 4, 2026	Reserved	Reserved by Fluid Attacks
June 17, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-10850 (Plane). Public exploit reference added.
June 17, 2026	Published	Published (CNA: Fluid Attacks)

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Plane	Plane	—	1.3.1	—

Weaknesses

CWE-79

References (2)

https://fluidattacks.com/es/advisories/earth [Exploit, Third Party Advisory]
https://github.com/makeplane/plane [Product]

Authoritative record: CVE-2026-10850 at cve.org

Vendors: plane

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-10850 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.