XSS in WordPress
CVE-2019-16217
WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- WordPress
- Debian Linux — versions 8.0, 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/ (Release Notes, Vendor Advisory)
- core.trac.wordpress.org/changeset/45936 (Patch, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2019/10/msg00023.html (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/bugtraq/2020/Jan/8 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4599 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2020/dsa-4677 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-16217?
- CVE-2019-16217 is a medium-severity vulnerability in WordPress, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-09-11.
- How severe is CVE-2019-16217?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-16217 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.