TI-2017-03513 Aliases CVE-2017-5493 GHSA-q3gc-45gm-v55m

wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1…

LOW 38CWE-338Published 2017-01-15 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.

Why it matters now

EPSS 0.02886 86th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:wordpress:wordpress::::::::	up to 4.7	Vulnerable	WordPress

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* Versions up to 4.7 Vulnerable ·WordPress

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-5493
2026-10-03 Alias added: GHSA-q3gc-45gm-v55m

References

Patch 1

https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4

Advisory 4

Other 1

https://wpvulndb.com/vulnerabilities/8721

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TI-2026-83466 Predictable staging paths let attackers run code in WordPress Core KEVCVSS 3.1HIGH 8.1
TI-2026-59973 An unauthenticated attacker can make `get_page_template()` page-template resolution… KEVCVSS 3.1HIGH 8.1
TI-2016-08129 The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass… CVSS 3.1CRITICAL 9.8
TI-2026-42844 WordPress < 7.0.2 - Facilitated SQL Injection via author__not_in in WP_Query KEVCVSS 3.1MEDIUM 5.9

See all 356 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences