CVE-2023-26047

Katalog CVE

CVSS 6.1 · Medium EPSS 0,52%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada kitabisa teler-waf. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

teler-waf is a Go HTTP middleware that provides teler IDS functionality to protect against web-based attacks. In teler-waf prior to version v0.2.0 is vulnerable to a bypass attack when a specific case-sensitive hex entities payload with special characters such as CR/LF and horizontal tab is used. This vulnerability allows an attacker to execute arbitrary JavaScript code on the victim's browser and compromise the security of the web application. An attacker can exploit this vulnerability to bypass common web attack threat rules in teler-waf and launch cross-site scripting (XSS) attacks. The attacker can execute arbitrary JavaScript code on the victim's browser and steal sensitive information, such as login credentials and session tokens, or take control of the victim's browser and perform malicious actions. This issue has been patched in version 0.2.0.

Rincian

Terbit di NVD

3 Maret 2023

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CWE-692: Incomplete Denylist to Cross-Site Scripting

EPSS (30 hari)

0,52% peluang dieksploitasi; lebih tinggi dari 42,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/dwisiswant0/cwa-filter-rules/commit/d818d1645832d1a02cd210c7680e692d2bf4313b patch
• https://github.com/kitabisa/teler-waf/security/advisories/GHSA-p2pf-g8cq-3gq5 advisory pihak ketiga
• https://github.com/kitabisa/teler-waf/releases/tag/v0.2.0 release notes