WordPress before 4.8.3 is affected by an issue where $wpdb->prepare() can create unexpected and unsafe queries leading to potential SQL injection (SQLi) in plugins and themes, as demonstrated by a "double prepare" approach, a different vulnerability than CVE-2017-14723.
CVE-2017-16510
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 8%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 93.9%
- KEV
- Not listed
Published
November 2, 2017
Last Modified
May 13, 2026
Advisory Details (7)
Auto-updated May 15, 2026🔬 Proof of concept available. Patch available.
generic🟡 PoC Available
Disclosure: WordPress WPDB SQL Injection - Technical | ircmaxell's Blog
https://blog.ircmaxell.com/2017/10/disclosure-wordpress-wpdb-sql-injection-technical.htmlgeneric
[SECURITY] [DSA 4090-1] wordpress security update
https://www.debian.org/security/2018/dsa-4090generic
WordPress 4.8.3 Security Release – WordPress News
https://wordpress.org/news/2017/10/wordpress-4-8-3-security-release/generic Patch Available
[SECURITY] [DLA 1160-1] wordpress security update
https://lists.debian.org/debian-lts-announce/2017/11/msg00003.htmlgeneric
Database: Restore numbered placeholders in `wpdb::prepare()`. · WordPress/WordPress@a2693fd · GitHub
https://github.com/WordPress/WordPress/commit/a2693fd8602e3263b5925b9d799ddd577202167dData Freshness Timeline
(refreshed 9× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
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- 2026-06-30 23:19 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
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- 2026-06-23 21:30 UTCEPSS rescore
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- 2026-06-21 14:54 UTCEPSS rescore
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- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 17:55 UTCOSV refresh
- 2026-06-18 17:50 UTCEPSS rescore
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- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
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- 2026-06-04 13:10 UTCEPSS rescore
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- 2026-06-02 20:11 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-30 23:23 UTCOSV refresh
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
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- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-20 22:37 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 09:12 UTCEG score recompute
- 2026-05-20 09:12 UTCGHSA enrichment
- 2026-05-20 05:27 UTCEG score recompute
- 2026-05-20 05:27 UTCGHSA enrichment
- 2026-05-20 01:42 UTCEG score recompute
- 2026-05-20 01:42 UTCGHSA enrichment
- 2026-05-19 21:57 UTCEG score recompute
- 2026-05-19 21:57 UTCGHSA enrichment
- 2026-05-19 18:12 UTCEG score recompute
- 2026-05-19 18:12 UTCGHSA enrichment
- 2026-05-19 14:27 UTCEG score recompute
- 2026-05-19 14:27 UTCGHSA enrichment
- 2026-05-19 10:42 UTCEG score recompute
- 2026-05-19 10:42 UTCGHSA enrichment
- 2026-05-19 06:56 UTCEG score recompute
- 2026-05-19 06:56 UTCGHSA enrichment
- 2026-05-19 03:11 UTCEG score recompute
- 2026-05-19 03:11 UTCGHSA enrichment
- 2026-05-18 23:24 UTCEG score recompute
- 2026-05-18 21:30 UTCEPSS rescore
- 2026-05-18 21:30 UTCEPSS rescore
Frequently asked(5)
What is CVE-2017-16510?
CVE-2017-16510 is a critical vulnerability published on November 2, 2017. WordPress before 4.8.3 is affected by an issue where $wpdb->prepare() can create unexpected and unsafe queries leading to potential SQL injection (SQLi) in plugins and themes, as demonstrated by a "double prepare" approach, a different vulnerability than CVE-2017-14723.
When was CVE-2017-16510 disclosed?
CVE-2017-16510 was first published in the National Vulnerability Database on November 2, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-16510 actively exploited?
CVE-2017-16510 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-16510?
CVE-2017-16510 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-16510?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-16510, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-16510
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