Answer in brief
CVE-2019-14772 records a Medium severity (CVSS 6.1) vulnerability in Cross-Site Scripting (XSS) in Verdaccio. The current sources do not mark it as known exploited. The current feed maps verdaccio (npm). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps verdaccio (npm). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| verdaccionpm | >=0 <3.12.0 | 3.12.0 |
Published upstream
May 29, 2019
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
### Impact What kind of vulnerability is it? Who is impacted? Cross-Site Scripting XSS, malicious packages with content Javascript that might be executed in the User Interface stealing user credentials. ### Patches Has the problem been patched? What versions should users upgrade to? Users that still using `v3` must upgrade to **>3.12.0** or those have no problem to migrate to a major version **>=4.0.0** also fix the issue. ### Workarounds Is there a way for users to fix or remediate the vulnerability without upgrading? No, the users must update. ### References Are there any links users can visit to find out more? https://www.npmjs.com/advisories/832 https://www.npmjs.com/advisories/833 The issue was reported by the NPMJS Security Team ### For more information If you have any questions or comments about this advisory: * Read the Security Policy to find the ways to be in contact with us.
Quoted source text, attributed separately from HOL analysis.