Medium severity · published Aug 3, 2023
CVE-2023-3348
The Wrangler command line tool  (<=wrangler@3.1.0 or <=wrangler@2.20.1) was affected by a directory traversal vulnerability when running a local development server for Pages…
5.7
CVSS
0.8%
EPSS
No
On KEV
Description
The Wrangler command line tool  (<=wrangler@3.1.0 or <=wrangler@2.20.1) was affected by a directory traversal vulnerability when running a local development server for Pages (wrangler pages dev command). This vulnerability enabled an attacker in the same network as the victim to connect to the local development server and access the victim's files present outside of the directory for the development server.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WR
Wrangler · Cloudflare
before 3.1.1 · source: NVD
Affected product
WR
Wrangler
Cloudflare
More from Wrangler
9.9
CVE-2026-0933
OS Command Injection in `wrangler pages deploy`
8.0
CVE-2023-7080
The V8 inspector intentionally allows arbitrary code execution within the Workers sandbox for debugging
5.7
CVE-2023-7079
Sending specially crafted HTTP requests and inspector messages to Wrangler's dev server could result in any file on the user's computer being accessible over the local network