CVE-2026-88845

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-09-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform any capability or nonce checks on an administrative maintenance action, allowing any authenticated user, such as a subscriber, to trigger it and create published content on the site attributed to their own account.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

September 24, 2026

Last Modified

September 24, 2026

Advisory Details (1)

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

MasterStudy LMS 2.3.0 – < 3.7.50 – Subscriber+ Course and Lesson Creation via Demo Import | CVE 2026-88845 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/a1693fd3-7ba9-4a59-99ea-7f9fd00a9de1/

Vendor Advisories for CVE-2026-88845(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 10× in last 7d / 10× 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. 2026-09-24 14:55 UTCEG score recompute
  2. 2026-09-24 14:55 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 11:17 UTCGHSA enrichment
  5. 2026-09-24 10:49 UTCEG score recompute▲ 4.30
  6. 2026-09-24 10:49 UTCGHSA enrichment
  7. 2026-09-24 10:49 UTCMITRE cvelistV5CVSS v3 → 4.3 · severity → MEDIUM
  8. 2026-09-24 06:23 UTCNVD update
  9. 2026-09-24 06:10 UTCEG score recompute
  10. 2026-09-24 06:10 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-88845?
CVE-2026-88845 is a medium vulnerability published on September 24, 2026. The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform any capability or nonce checks on an administrative maintenance action, allowing any authenticated user, such as a subscriber, to trigger it and create published content on the site attributed to their own account.
When was CVE-2026-88845 disclosed?
CVE-2026-88845 was first published in the National Vulnerability Database on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-88845 actively exploited?
CVE-2026-88845 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 97.7% of all scored CVEs.
What is the CVSS score of CVE-2026-88845?
CVE-2026-88845 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-88845?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-88845, 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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