CVE-2026-14603

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

The WowOptin: Next-Gen Popup Maker WordPress plugin before 1.4.38 does not have proper authorization on a REST endpoint, allowing unauthenticated users to disable all of the site's opt-in forms and insert new template-based opt-in rows into the database.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

July 24, 2026

Last Modified

July 24, 2026

Advisory Details (1)

Auto-updated Jul 24, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

WowOptin < 1.4.38 – Unauthenticated Opt-in Deactivation and Template Row Injection | CVE 2026-14603 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/3a06d27a-9405-4cf2-9087-554018d31884/

Vendor Advisories for CVE-2026-14603(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 32× in last 7d / 32× 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. 2026-07-30 18:48 UTCEG score recompute
  2. 2026-07-30 18:48 UTCGHSA enrichment
  3. 2026-07-30 16:27 UTCEPSS rescore
  4. 2026-07-30 07:35 UTCEG score recompute
  5. 2026-07-30 07:35 UTCGHSA enrichment
  6. 2026-07-30 01:30 UTCEPSS rescore
  7. 2026-07-29 19:29 UTCGHSA enrichment
  8. 2026-07-29 08:26 UTCGHSA enrichment
  9. 2026-07-28 21:24 UTCEG score recompute
  10. 2026-07-28 21:23 UTCGHSA enrichment
  11. 2026-07-28 15:36 UTCEPSS rescore
  12. 2026-07-28 10:20 UTCGHSA enrichment
  13. 2026-07-27 23:16 UTCEG score recompute
  14. 2026-07-27 23:16 UTCGHSA enrichment
  15. 2026-07-27 14:13 UTCEPSS rescore
  16. 2026-07-27 12:12 UTCGHSA enrichment
  17. 2026-07-27 01:10 UTCEG score recompute
  18. 2026-07-27 01:10 UTCGHSA enrichment
  19. 2026-07-26 14:54 UTCEPSS rescore
  20. 2026-07-26 14:54 UTCEPSS rescore
  21. 2026-07-26 14:07 UTCEG score recompute
  22. 2026-07-26 14:07 UTCGHSA enrichment
  23. 2026-07-26 03:04 UTCEG score recompute
  24. 2026-07-26 03:04 UTCGHSA enrichment
  25. 2026-07-25 14:17 UTCEPSS rescore
Show 7 more
  1. 2026-07-24 20:13 UTCEG score recompute▲ 7.50
  2. 2026-07-24 20:13 UTCGHSA enrichment
  3. 2026-07-24 20:12 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  4. 2026-07-24 14:17 UTCEPSS rescore
  5. 2026-07-24 08:11 UTCNVD update
  6. 2026-07-24 06:37 UTCEG score recompute
  7. 2026-07-24 06:36 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-14603?
CVE-2026-14603 is a high vulnerability published on July 24, 2026. The WowOptin: Next-Gen Popup Maker WordPress plugin before 1.4.38 does not have proper authorization on a REST endpoint, allowing unauthenticated users to disable all of the site's opt-in forms and insert new template-based opt-in rows into the database.
When was CVE-2026-14603 disclosed?
CVE-2026-14603 was first published in the National Vulnerability Database on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14603 actively exploited?
CVE-2026-14603 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 84.8% of all scored CVEs.
What is the CVSS score of CVE-2026-14603?
CVE-2026-14603 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-14603?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14603, 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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