What’s Vulnerable › Vulnerabilities

CVE-2026-10850: Plane 1.3.1 - Stored XSS in intake issue description_html

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-06-17 · updated 2026-06-23
• Weakness: CWE-79

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.

Affected products

• makeplane plane: 1.3.1

References

• https://fluidattacks.com/es/advisories/earth
• https://github.com/makeplane/plane
• https://fluidattacks.com/es/advisories/earth

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