CVE-2017-17094

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.93% Top 10%
Vendor Advisory debian.org Vendor Advisory wordpress.org Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://wpvulndb.com/vulnerabilities/8967 patch third party advisory vdb entry
https://www.debian.org/security/2018/dsa-4090 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html third party advisory mailing list
http://www.securityfocus.com/bid/102024 third party advisory vdb entry
https://codex.wordpress.org/Version_4.9.1 patch vendor advisory
https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/ release notes vendor advisory
https://github.com/WordPress/WordPress/commit/f1de7e42df29395c3314bf85bff3d1f4f90541de third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-17094?
CVE-2017-17094 has been scored as a medium severity vulnerability.
How to fix CVE-2017-17094?
To fix CVE-2017-17094, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-17094 being actively exploited in the wild?
It is possible that CVE-2017-17094 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.