Vue client-side XSS via prototype pollution
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
A vulnerability has been discovered in Vue, that allows an attacker to perform XSS via prototype pollution. The attacker could change the prototype chain of some properties such as `Object.prototype.staticClass` or `Object.prototype.staticStyle` to execute arbitrary JavaScript code.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| vue | vue | 2.0.0 – 2.7.16 | — | No fix listed | CNA |
| — | vue-template-compiler (npm) | 2.0.0 and later | — | No fix listed | GHSA-g3ch-rx76-35fx |
- vue Vendorvue Affected 2.0.0 – 2.7.16 Fixed in — No fix listed CNA
- vue-template-compiler (npm) Vendor— Affected 2.0.0 and later Fixed in — No fix listed GHSA-g3ch-rx76-35fx
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-6783
- 2026-10-03 Alias added: GHSA-g3ch-rx76-35fx
References
More vue vulnerabilities
- TI-2024-08823 Regular expression denial of service (ReDoS) in vue CVSS 3.1LOW 3.7
Sources
- CVE-2024-6783 · CVE Program
- CVE-2024-6783 · NVD
- FIRST EPSS
- GHSA-g3ch-rx76-35fx · GitHub Advisory Database · CC BY 4.0
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