CVE-2017-5491 json
wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with t…
published 2017-01-15 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14595
- cvss
- 5.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- wordpress Debian 14, Debian 13, Debian 12 4.7.1+dfsg-1
debian advisories DEBIAN-CVE-2017-5491
- wordpress Arch Linux 4.7.1-1
arch linux advisories AVG-142
Exploit prediction
3.22% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-1188 Initialization of a Resource with an Insecure Default
- Technology feeds
References
-
github.com
/WordPress/WordPress/commit/061e8788814ac87706d8b95688df276fe3c8596a
patch
-
debian.org
/security/2017/dsa-3779
vendor-advisory
-
codex.wordpress.org
/Version_4.7.1
release-notes, vendor-advisory
-
wordpress.org
/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
vendor-advisory
-
securityfocus.com
/bid/95406
vdb-entry
- wpvulndb.com /vulnerabilities/8719
-
openwall.com
/lists/oss-security/2017/01/14/6
mailing-list, third-party-advisory
-
securitytracker.com
/id/1037591
vdb-entry
Sources
- CVE List CVE-2017-5491
- NVD CVE-2017-5491
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.