CVE-2026-18738

Katalog CVE

CVSS 4.7 · Medium EPSS 0,49%

Kerentanan Improper Neutralization of Formula Elements in a CSV File. Skor CVSS 3.1 4.7 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

Shlink versions 5.0.0 through 5.1.5 contain a CSV formula injection vulnerability that allows unauthenticated remote attackers to plant spreadsheet formulas into exported visit data by supplying malicious values in User-Agent, Referer, or request path headers beginning with formula-triggering characters such as =, +, -, or @. Attackers can craft a single unauthenticated request against any short URL to embed DDE or WEBSERVICE formula payloads into CSV cells, which are then executed on an administrator's client machine when the exported CSV file is opened in a spreadsheet application that evaluates formulas.

Rincian

Terbit di NVD

3 Agustus 2026

Terakhir diubah

9 September 2026

Status NVD

Deferred

CVSS 3.1

4.7 (Medium), sumber vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1236: Improper Neutralization of Formula Elements in a CSV File

EPSS (30 hari)

0,49% peluang dieksploitasi; lebih tinggi dari 40,6% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/shlinkio/shlink
• https://github.com/theopaid/CSV-formula-injection-in-visit-exports-shlink-
• https://www.vulncheck.com/advisories/shlink-csv-formula-injection-via-visit-export-cli