---
cve: "CVE-2023-24540"
severity: "CRITICAL"
cvss: 9.8
epss: "1.6%"
vendor: "Go standard library"
kev: false
exploited: false
published: "2023-05-11 16:15:09"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T08:39:11+02:00"
---

# CVE-2023-24540

> 9.8 CRITICAL

## Beschreibung

Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing whitespace characters outside of the character set "\t\n\f\r\u0020\u2028\u2029" in JavaScript contexts that also contain actions may not be properly sanitized during execution.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 484330d038d060c6e4db3dc8e6ea2b811b2a44d8 (Commit)
- 324c3ace2d2e4e30949baa23b4c9aac8a4123317 (Commit)

## Referenzen

- <https://go.dev/issue/59721>
- <https://go.dev/cl/491616>
- <https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU>
- <https://pkg.go.dev/vuln/GO-2023-1752>
- <https://security.netapp.com/advisory/ntap-20241115-0008/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-24540) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_