Before version 4.8.2, WordPress mishandled % characters and additional placeholder values…
Priority MEDIUM 51CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-89.
Summary
Before version 4.8.2, WordPress mishandled % characters and additional placeholder values in $wpdb->prepare, and thus did not properly address the possibility of plugins and themes enabling SQL injection attacks.
Why it matters now
EPSS 0.06518 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-14723
- 2026-10-03 Alias added: GHSA-4f8m-x9c7-gvcq
References
Exploit 2
Patch 5
- https://github.com/WordPress/WordPress/commit/fc930d3daed1c3acef010d04acc2c5de93cd18ec
- https://core.trac.wordpress.org/changeset/41470
- https://core.trac.wordpress.org/changeset/41496
- https://wordpress.org/news/2017/09/wordpress-4-8-2-security-and-maintenance-release/
- https://github.com/WordPress/WordPress/commit/70b21279098fc973eae803693c0705a548128e48
Advisory 1
More Wordpress vulnerabilities
- TI-2026-45010 WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution KEVCVSS 3.1CRITICAL 9.8
- TI-2016-08118 The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow… KEVCVSS 3.1CRITICAL 9.8
- 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
Sources
- CVE-2017-14723 · CVE Program
- CVE-2017-14723 · NVD
- FIRST EPSS
- GHSA-4f8m-x9c7-gvcq · GitHub Advisory Database · CC BY 4.0
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