XSS in WordPress
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.020 (79.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- WordPress
- Debian Linux — versions 7.0, 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpvulndb.com/vulnerabilities/8967 (Patch, VDB Entry, Third Party Advisory)
- www.debian.org/security/2018/dsa-4090 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2017/12/msg00019.html (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/102024 (VDB Entry, Third Party Advisory, vdb-entry)
- codex.wordpress.org/Version_4.9.1 (Patch, Vendor Advisory)
- wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/ (Release Notes, Vendor Advisory)
- github.com/WordPress/WordPress/commit/f1de7e42df29395c3314bf85bff3d1f4f90541de (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-17094?
- CVE-2017-17094 is a medium-severity vulnerability in WordPress, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-12-02.
- How severe is CVE-2017-17094?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2017-17094 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.