Medium severity · published Dec 2, 2017
CVE-2017-17094
wp-includes/feed.php in WordPress before 4.9.1 does not properly restrict enclosures in RSS and Atom fields, which might allow attackers to conduct XSS attacks via a crafted URL
5.4
CVSS
2%
EPSS
No
On KEV
Description
wp-includes/feed.php in WordPress before 4.9.1 does not properly restrict enclosures in RSS and Atom fields, which might allow attackers to conduct XSS attacks via a crafted URL.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
before 4.9.1 · source: NVD
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-17094
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-17094
Third Party Advisory
http://www.securityfocus.com/bid/102024
Patch
https://codex.wordpress.org/Version_4.9.1
Patch
https://github.com/WordPress/WordPress/commit/f1de7e42df29395c3314bf85bff3d1f4f90541de
Mailing List
https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
Release Notes
https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/
Patch
https://wpvulndb.com/vulnerabilities/8967
More from WordPress
9.8
CVE-2026-63030
WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution
9.8
CVE-2020-25213
WordPress File Manager Plugin Remote Code Execution Vulnerability
9.8
CVE-2016-10033
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute…
8.1
CVE-2026-87902
WordPress Core Remote File Inclusion Vulnerability
7.5
CVE-2020-11738
WordPress Snap Creek Duplicator Plugin File Download Vulnerability
