CVE-2023-0842
mediumpriority · track · 21EPSS 0.014 · 72 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0180Dell Data Protection Advisor: Mehrere SchwachstellenDeutsch2026-01-20csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Data Protection Advisor ausnutzen, um beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu erzeugen, Sicherheitsmaßnahmen zu umgehen und nicht näher spezifizierte Angriffe zu starten.
- GHSA-776f-qx25-q3ccxml2js is vulnerable to prototype pollution2023-04-05ghsa · osvUS
xml2js versions before 0.5.0 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.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-0842/cnnvd
- https://fluidattacks.com/advisories/myers/cnnvd
- https://github.com/Leonidas-from-XIV/node-xml2js/cnnvd
- https://vigilance.fr/vulnerability/Node-XML2JS-prototype-pollution-43794cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.3779cnnvd
- https://fluidattacks.com/advisories/myers/enisa_euvd
- https://github.com/Leonidas-from-XIV/node-xml2js/enisa_euvd
- https://github.com/Leonidas-from-XIV/node-xml2js/releases/tag/0.6.2enisa_euvd
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