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
Patch, Vendor Advisory x_refsource_misc
http://www.squid-cache.org/Versions/v5/changesets/squid-5-6feeb15ff312f3e145763adf8d234ed6a0b3f11d.patch
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
Details
CWE
CWE-79
Status
published
Products (1)
squid-cache/squid
< 4.4
Published
Nov 09, 2018
Tracked Since
Feb 18, 2026