CVE-2017-5491: wordpress
CVSS: 8.3v3.1HighModified
AliasesUBUNTU-CVE-2017-5491DEBIAN-CVE-2017-5491
Published 15-01-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-5491 is a high (CVSS 8.3) vulnerability in wordpress. EPSS estimates a 3.22% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities. Fixed in 3.7.17.
CVSS score
8.3/10
010
High · v3.1 (wordfence)EPSS score
3.22%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 15-01-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 4 sources · 3 versionsHigh 8.3Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LSourcesSingle source
Medium 5.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
3.22%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.22% on 19-09-2026
19-09-202619-10-2026
EPSS score3.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1188Initialization of a Resource with an Insecure DefaultThe product initializes or sets a resource with a default that is intended to be changed by the product's installer, administrator, or maintainer, but the default is not secure.
- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Wordpress2 products
- wordpress< 3.7 (fixed in 3.7.17) | ≥ 3.7, ≤ 3.7.16 (fixed in 3.7.17) | ≥ 3.8, ≤ 3.8.16 (fixed in 3.7.17) | ≥ 3.9, ≤ 3.9.14 (fixed in 3.7.17) | ≥ 4.0, ≤ 4.0.13 (fixed in 3.7.17) | ≥ 4.1, ≤ 4.1.13 (fixed in 3.7.17) | ≥ 4.2, ≤ 4.2.10 (fixed in 3.7.17) | ≥ 4.3, ≤ 4.3.6 (fixed in 3.7.17) | ≥ 4.4, ≤ 4.4.5 (fixed in 3.7.17) | ≥ 4.5, ≤ 4.5.4 (fixed in 3.7.17) | ≥ 4.6, ≤ 4.6.1 (fixed in 3.7.17) | ≥ 4.7, ≤ 4.7.0 (fixed in 3.7.17)
- wordpress≤ 4.7
Debian1 product
- wordpress< 4.7.1+dfsg-1
Ubuntu1 product
- wordpressAll versions (No fix recorded)
3 vendors · 4 products
References
13 links- github.com/WordPress/WordPress/commit/061e8788814ac87706d8b95688df276fe3c8596aX Refsource CONFIRMPatchREPORT
- www.openwall.com/lists/oss-security/2017/01/14/6Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
- wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/X Refsource CONFIRMVendor AdvisoryREPORT