CVE-2026-104979
Plane is an open-source project management tool. Prior to 1.4.0, IntakeIssuePublicViewSet.create in Plane v1.3.1 writes description_html thr
CVSS
8.7
Alto
EPSS
0.4%
p28
KEV
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Exploit Today
9
0-100
Publicado: 5 oct 2026 · Última mod.: 5 oct 2026 · CWE-79 · CWE-862
Plane is an open-source project management tool. Prior to 1.4.0, IntakeIssuePublicViewSet.create in Plane v1.3.1 writes description_html through Issue.objects.create(...) without calling validate_html_content from nh3. Any authenticated user, including a new user with no workspace memberships, can plant arbitrary HTML in a project that has a published DeployBoard with intake enabled. When a project member or viewer of a closed intake item clicks the planted link, the TipTap \tjavascript: parser bypass and the target="_self" click handler execute JavaScript in the viewer's session and exfiltrate a long-lived API token. This issue is fixed in 1.4.0.
- github.comhttps://github.com/makeplane/plane/commit/0d58adb69d859fc94c43b9d68fadd77e810d5ed1
- github.comhttps://github.com/makeplane/plane/pull/9287
- github.comhttps://github.com/makeplane/plane/releases/tag/v1.4.0
- github.comhttps://github.com/makeplane/plane/security/advisories/GHSA-hh2r-3hwp-mvq3
- github.comhttps://github.com/makeplane/plane/security/advisories/GHSA-hh2r-3hwp-mvq3