Description
xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | xml2js | 0.4.23 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | node-xml2js | 0.4.23+~cs15.4.0+dfsg-7 | — |
| Debian 13 | node-xml2js | 0.4.23+~cs15.4.0+dfsg-7 | — |
| Debian 12 | node-xml2js | 0.4.23+~cs15.4.0+dfsg-7 | — |
| Debian 10 | node-xml2js | 0.2.8-1.1+deb11u1~deb10u1 | DLA-3760-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | node-xml2js | No fix yet | — |
| Ubuntu 26.04 LTS | node-xml2js | No fix yet | — |
| Ubuntu 25.10 | node-xml2js | No fix yet | — |
| Ubuntu 24.04 LTS | node-xml2js | No fix yet | — |
| Ubuntu 22.04 LTS | node-xml2js | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | node-xml2js | No fix yet | — |
| Ubuntu 18.04 LTS | node-xml2js | No fix yet | — |
| Ubuntu 16.04 LTS | node-xml2js | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | xml2js | < 0.5.0 | 0.5.0 | GHSA-776f-qx25-q3cc |
Advisories 2
- DLA-3760-1 node-xml2js - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2026-0180 Dell Data Protection Advisor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 20, 2026