XSS in WordPress
CVE-2017-17092
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
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: 0.035 (88.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- WordPress
- Debian Linux — versions 7.0, 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 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)
- github.com/WordPress/WordPress/commit/67d03a98c2cae5f41843c897f206adde299b0509 (Patch, Third Party Advisory)
- www.securityfocus.com/bid/102024 (VDB Entry, Third Party Advisory, vdb-entry)
- codex.wordpress.org/Version_4.9.1 (Patch, Release Notes, Vendor Advisory)
- wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/ (Release Notes, Vendor Advisory)
- wpvulndb.com/vulnerabilities/8966 (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-17092?
- CVE-2017-17092 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-2017-17092?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2017-17092 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.