CVE-2026-16589

HIGHPre-NVD 7.77.7—
EchelonGraph scoreHIGH confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-08-08. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The WP Directory Kit WordPress plugin before 1.5.5 does not sanitize and escape a parameter before using it in a SQL statement through one of its authenticated AJAX actions, which lacks authorization and nonce checks, allowing any authenticated user such as a Subscriber to perform SQL injection attacks.

CVSS v3
7.7
EG Score
7.7(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

August 8, 2026

Last Modified

August 11, 2026

Advisory Details (1)

Auto-updated Aug 11, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

WP Directory Kit < 1.5.5 – Subscriber+ SQL Injection via data_fields_list Parameter | CVE 2026-16589 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/6ee8c3b7-5ffe-4b9e-877a-ea3e1924e8d3/

Vendor Advisories for CVE-2026-16589(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 29× in last 7d / 48× 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.

  1. 2026-08-20 09:03 UTCGHSA enrichment
  2. 2026-08-19 21:41 UTCEG score recompute
  3. 2026-08-19 21:41 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 10:17 UTCGHSA enrichment
  6. 2026-08-18 22:55 UTCEG score recompute
  7. 2026-08-18 22:55 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-18 11:34 UTCGHSA enrichment
  10. 2026-08-18 00:12 UTCEG score recompute
  11. 2026-08-18 00:12 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-17 12:45 UTCGHSA enrichment
  14. 2026-08-17 01:24 UTCEG score recompute
  15. 2026-08-17 01:24 UTCGHSA enrichment
  16. 2026-08-16 14:56 UTCEPSS rescore
  17. 2026-08-16 14:02 UTCGHSA enrichment
  18. 2026-08-16 02:40 UTCEG score recompute
  19. 2026-08-16 02:40 UTCGHSA enrichment
  20. 2026-08-16 02:14 UTCEPSS rescore
  21. 2026-08-15 15:19 UTCGHSA enrichment
  22. 2026-08-15 03:57 UTCEG score recompute
  23. 2026-08-15 03:57 UTCGHSA enrichment
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-14 16:35 UTCGHSA enrichment
Show 23 more
  1. 2026-08-14 05:14 UTCEG score recompute
  2. 2026-08-14 05:14 UTCGHSA enrichment
  3. 2026-08-13 22:00 UTCEPSS rescore
  4. 2026-08-13 17:52 UTCGHSA enrichment
  5. 2026-08-13 06:26 UTCGHSA enrichment
  6. 2026-08-12 19:04 UTCEG score recompute
  7. 2026-08-12 19:04 UTCGHSA enrichment
  8. 2026-08-12 13:50 UTCEPSS rescore
  9. 2026-08-12 07:42 UTCEG score recompute
  10. 2026-08-12 07:42 UTCGHSA enrichment
  11. 2026-08-11 20:20 UTCGHSA enrichment
  12. 2026-08-11 19:51 UTCEG score recompute▲ 7.70
  13. 2026-08-11 19:51 UTCGHSA enrichment
  14. 2026-08-11 19:50 UTCMITRE cvelistV5CVSS v3 → 7.7 · severity → HIGH
  15. 2026-08-11 13:42 UTCEPSS rescore
  16. 2026-08-11 01:12 UTCEG score recompute
  17. 2026-08-11 01:12 UTCGHSA enrichment
  18. 2026-08-11 00:00 UTCEPSS rescore
  19. 2026-08-09 13:46 UTCEPSS rescore
  20. 2026-08-08 16:37 UTCEPSS rescore
  21. 2026-08-08 07:19 UTCNVD update
  22. 2026-08-08 06:22 UTCEG score recompute
  23. 2026-08-08 06:22 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16589?
CVE-2026-16589 is a high vulnerability published on August 8, 2026. The WP Directory Kit WordPress plugin before 1.5.5 does not sanitize and escape a parameter before using it in a SQL statement through one of its authenticated AJAX actions, which lacks authorization and nonce checks, allowing any authenticated user such as a Subscriber to perform SQL injection…
When was CVE-2026-16589 disclosed?
CVE-2026-16589 was first published in the National Vulnerability Database on August 8, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16589 actively exploited?
CVE-2026-16589 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 87.8% of all scored CVEs.
What is the CVSS score of CVE-2026-16589?
CVE-2026-16589 has a CVSS v3.1 base score of 7.7 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16589?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16589, 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

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