CVE-2026-16977

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-12. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: Elevated riskExposed: 0

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

The Form Maker by 10Web WordPress plugin before 1.15.45 does not properly parameterize a user-controlled value that is substituted into a dynamic SQL query built for a database-backed choice field, allowing subscriber-level users to perform second-order SQL injection.

CVSS v3
8.1
EG Score
8.1(high)
EG Risk
52(Track*)
EG Risk 52/100SSVC: 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
Severity81% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 12, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Form Maker by 10Web < 1.15.45 – Subscriber+ SQL Injection via display_name | CVE 2026-16977 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/70430b75-9b5e-4f47-8b37-7be1da5ba063/

Vendor Advisories for CVE-2026-16977(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 26× in last 7d / 42× 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 22:55 UTCEPSS rescore
  2. 2026-08-20 22:06 UTCGHSA enrichment
  3. 2026-08-20 09:42 UTCGHSA enrichment
  4. 2026-08-19 21:25 UTCEG score recompute
  5. 2026-08-19 21:24 UTCGHSA enrichment
  6. 2026-08-19 17:03 UTCEPSS rescore
  7. 2026-08-19 09:06 UTCGHSA enrichment
  8. 2026-08-18 20:49 UTCEG score recompute
  9. 2026-08-18 20:49 UTCGHSA enrichment
  10. 2026-08-18 13:48 UTCEPSS rescore
  11. 2026-08-18 08:32 UTCGHSA enrichment
  12. 2026-08-17 20:15 UTCEG score recompute
  13. 2026-08-17 20:15 UTCGHSA enrichment
  14. 2026-08-17 13:47 UTCEPSS rescore
  15. 2026-08-17 07:58 UTCGHSA enrichment
  16. 2026-08-16 19:41 UTCEG score recompute
  17. 2026-08-16 19:41 UTCGHSA enrichment
  18. 2026-08-16 14:56 UTCEPSS rescore
  19. 2026-08-16 07:24 UTCEG score recompute
  20. 2026-08-16 07:24 UTCGHSA enrichment
  21. 2026-08-16 02:14 UTCEPSS rescore
  22. 2026-08-15 19:07 UTCGHSA enrichment
  23. 2026-08-15 06:50 UTCEG score recompute
  24. 2026-08-15 06:50 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
Show 17 more
  1. 2026-08-14 18:25 UTCGHSA enrichment
  2. 2026-08-14 06:08 UTCEG score recompute
  3. 2026-08-14 06:08 UTCGHSA enrichment
  4. 2026-08-13 22:00 UTCEPSS rescore
  5. 2026-08-13 17:51 UTCGHSA enrichment
  6. 2026-08-13 05:34 UTCEG score recompute
  7. 2026-08-13 05:34 UTCGHSA enrichment
  8. 2026-08-12 17:17 UTCEG score recompute
  9. 2026-08-12 17:17 UTCGHSA enrichment
  10. 2026-08-12 16:21 UTCEG score recompute▲ 8.10
  11. 2026-08-12 16:21 UTCGHSA enrichment
  12. 2026-08-12 16:20 UTCMITRE cvelistV5CVSS v3 → 8.1 · severity → HIGH
  13. 2026-08-12 13:50 UTCEPSS rescore
  14. 2026-08-12 06:31 UTCGHSA enrichment
  15. 2026-08-12 06:30 UTCNVD update
  16. 2026-08-12 06:06 UTCEG score recompute
  17. 2026-08-12 06:03 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16977?
CVE-2026-16977 is a high vulnerability published on August 12, 2026. The Form Maker by 10Web WordPress plugin before 1.15.45 does not properly parameterize a user-controlled value that is substituted into a dynamic SQL query built for a database-backed choice field, allowing subscriber-level users to perform second-order SQL injection.
When was CVE-2026-16977 disclosed?
CVE-2026-16977 was first published in the National Vulnerability Database on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16977 actively exploited?
CVE-2026-16977 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 87.0% of all scored CVEs.
What is the CVSS score of CVE-2026-16977?
CVE-2026-16977 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16977?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16977, 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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