EUVD-2026-67236
GHSA-8fp2-5hmm-fgqh
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Workspace Manager role required (PR:L), victim hover triggers popover (UI:R), session of a different user is compromised (S:C), no availability impact.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionCVE.org
Frappe 15.11.0 through 16.32.0 stores and renders the workspace card description without XSS filtering. The description field of the Workspace Link doctype is declared with "ignore_xss_filter": 1 in frappe/desk/doctype/workspace_link/workspace_link.json, and _sanitize_content() in frappe/model/base_document.py skips any field carrying that flag, so the value is stored exactly as submitted. frappe.desk.desktop.get_desktop_page returns it unchanged, and LinksWidget.set_body() in frappe/public/js/frappe/widgets/links_widget.js interpolates it into a Bootstrap popover created with html: true, by way of the __() translation helper, which performs no HTML escaping. A user holding the Workspace Manager role can therefore place arbitrary markup in a public workspace's card description and have it execute in the session of any desk user who opens that workspace and hovers the description, including higher-privileged users, allowing session token theft and authenticated requests as the victim. The flag is removed on the development branch but remains present in the shipped 15.x and 16.x release lines, so no released version carries the fix.
AnalysisAI
Stored XSS in Frappe's workspace link description feature (versions 15.11.0-16.32.0) allows any user holding the Workspace Manager role to inject arbitrary JavaScript into a public workspace card, which executes in the browser session of any desk user who opens the workspace and hovers over the card description. The attack path reaches higher-privileged users through shared public workspaces, enabling session token theft and impersonation via authenticated API requests as the victim. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold the Workspace Manager role within the Frappe instance - a standard desk role distinct from System Manager, commonly assigned to power users who customize workspaces. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 5.1 (Medium) correctly captures the attack profile: network-accessible (AV:N), low complexity (AC:L), requiring low privileges (PR:L - Workspace Manager role), and passive victim interaction (UI:P - hover to trigger popover). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A Frappe user with the Workspace Manager role edits a public workspace and sets the description of a workspace link card to a JavaScript payload such as a cookie-exfiltration script targeting `frappe.boot.user.sid`. When a System Manager later opens the same workspace and hovers over the card, the Bootstrap popover renders the injected HTML and the script executes in the System Manager's browser session, transmitting their session token to an attacker-controlled server. … |
| Remediation | The upstream fix is commit 9f65e5ceca71aae91dcfd9bb3c0904afd386a01a (https://github.com/frappe/frappe/commit/9f65e5ceca71aae91dcfd9bb3c0904afd386a01a), which removes `"ignore_xss_filter": 1` from `workspace_link.json`, allowing `_sanitize_content()` to process the description field normally. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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