CVE-2018-19131

MEDIUM LAB

Squid < 4.4 - XSS

Title source: rule
STIX 2.1

Description

Squid before 4.4 has XSS via a crafted X.509 certificate during HTTP(S) error page generation for certificate errors.

Exploits (1)

nomisec WORKING POC 19 stars
by JonathanWilbur · poc
https://github.com/JonathanWilbur/CVE-2018-19131

References (3)

Core 3
Core References
Mitigation, Vendor Advisory x_refsource_misc
http://www.squid-cache.org/Advisories/SQUID-2018_4.txt
Third Party Advisory x_refsource_misc
https://github.com/squid-cache/squid/pull/306

Scores

CVSS v3 6.1
EPSS 0.1078
EPSS Percentile 93.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Lab Environment

COMMUNITY
Community Lab
docker pull nginx:latest

Details

CWE
CWE-79
Status published
Products (1)
squid-cache/squid < 4.4
Published Nov 09, 2018
Tracked Since Feb 18, 2026