RCE in WordPress
CVE-2017-5491
wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.032 (87.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/95406 (vdb-entry)
- github.com/WordPress/WordPress/commit/061e8788814ac87706d8b95688df276fe3c8596a (Patch)
- www.debian.org/security/2017/dsa-3779 (vendor-advisory)
- wpvulndb.com/vulnerabilities/8719
- codex.wordpress.org/Version_4.7.1 (Release Notes, Vendor Advisory)
- www.openwall.com/lists/oss-security/2017/01/14/6 (mailing-list, Mailing List, Third Party Advisory)
- www.securitytracker.com/id/1037591 (vdb-entry)
- wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-5491?
- CVE-2017-5491 is a medium-severity vulnerability in WordPress, classified under Initialization of a Resource with an Insecure Default. CVSS score: 5.3/10. Published 2017-01-15.
- How severe is CVE-2017-5491?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2017-5491 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.