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CVE Record

CVE-2016-10529: Droppy versions <3.5.0 does not perform any verification for cross-domain websocket requests.

Droppy versions <3.5.0 does not perform any verification for cross-domain websocket requests. An attacker is able to make a specially crafted page that can send requests as the context of the currently logged in user. For example this means the malicious user could add a new admin account under his control and delete others.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Droppy before 3.5.0 allowed cross-domain WebSocket requests without verification. A malicious website could act through a user who is already logged in to Droppy, potentially performing administrative actions such as adding an attacker-controlled admin account or deleting other accounts.

Executive priority

Prioritize remediation where Droppy is internet-facing or used by administrators. The issue can affect account integrity, but available evidence does not confirm active exploitation or provide a CVSS score.

Technical view

This is a CWE-352 cross-site request forgery style issue in the droppy node module. The vulnerable WebSocket handling lacks cross-domain request verification, allowing crafted browser-originated requests to run in the authenticated user’s context. Affected versions are listed as below 3.5.0.

Likely exposure

Exposure is likely limited to organizations running the droppy node module before 3.5.0, especially where authenticated administrative sessions are active in browsers and WebSocket endpoints are reachable from user workstations.

Exploitation context

The provided bundle does not show CISA KEV listing or confirmed active exploitation. The described attack requires a logged-in user to visit or load a malicious page capable of sending cross-domain WebSocket requests.

Researcher notes

The source bundle gives a concise vulnerability description but limited technical detail. Avoid assuming broader package names, platforms, exploit availability, or exact patch mechanics beyond the stated affected version boundary and cross-domain WebSocket verification failure.

Mitigation direction

  • Upgrade droppy node module deployments below 3.5.0 to 3.5.0 or later.
  • Check the original advisory and project guidance for any additional configuration recommendations.
  • Invalidate active sessions after remediation if administrator accounts may have been exposed.
  • Review administrator accounts for unexpected additions or removals.

Validation and detection

  • Inventory applications using the droppy node module and record installed versions.
  • Confirm no production deployment runs a version below 3.5.0.
  • Review access logs and account audit trails for unexpected administrative changes.
  • Verify WebSocket requests are rejected when they originate from untrusted domains.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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cwe · medium confidence lookup

CWE-352: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2016-10529 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
HackerOnedroppy node module<3.5.0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-352 · source CWE mapping

Cross-Site Request Forgery (CSRF)

Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.