CVE-2017-17762

HIGH EXPLOITED NUCLEI

Episerver 7 - Blind XML External Entity Injection

Title source: nuclei
STIX 2.1

Exploitation Summary

CVE-2017-17762 has been observed exploited in the wild (reported by VulnCheck KEV). A Nuclei detection template is also available.

Description

XML external entity (XXE) vulnerability in Episerver 7 patch 4 and earlier allows remote attackers to read arbitrary files via a crafted DTD in an XML request involving util/xmlrpc/Handler.ashx.

Nuclei Templates (1)

Episerver 7 - Blind XML External Entity Injection
HIGHVERIFIEDby pussycat0x
Shodan: http.html:"episerver" || cpe:"cpe:2.3:a:episerver:episerver" || http.html:"epihash"
FOFA: body="episerver" || body="epihash"

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://gist.github.com/jonaslejon/5f92779848360a1a1e676af0795bd9aa
Exploit, Mitigation, Third Party Advisory x_refsource_misc
https://kryptera.se/sarbarhet-i-episerver/

Scores

CVSS v3 7.5
EPSS 0.0465
EPSS Percentile 90.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

VulnCheck KEV 2026-01-14
CWE
CWE-611
Status published
Products (2)
episerver/episerver 7 (5 CPE variants)
episerver/episerver < 7
Published Aug 29, 2018
Tracked Since Feb 18, 2026