CVE-2026-16567

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-08-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

The Document Embedder WordPress plugin before 2.3.1 does not check a document's status before issuing a download token and streaming the file, allowing unauthenticated attackers to download arbitrary Document Embedder WordPress plugin before 2.3.1 documents, including private and draft ones, by enumerating IDs.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
KEV
Not listed

Published

August 27, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 27, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Document Embedder < 2.3.1 – Unauthenticated Private Document Download via Token Oracle | CVE 2026-16567 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/abf97927-cee2-44f4-a495-c7571d43be95/

Vendor Advisories for CVE-2026-16567(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 16× in last 7d / 16× 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. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 18:11 UTCEG score recompute
  3. 2026-08-29 18:10 UTCGHSA enrichment
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-28 19:04 UTCGHSA enrichment
  6. 2026-08-28 16:26 UTCEG score recompute
  7. 2026-08-28 16:25 UTCGHSA enrichment
  8. 2026-08-27 17:20 UTCGHSA enrichment
  9. 2026-08-27 16:51 UTCEG score recompute▲ 5.30
  10. 2026-08-27 16:50 UTCGHSA enrichment
  11. 2026-08-27 16:43 UTCMITRE cvelistV5CVSS v3 → 5.3 · severity → MEDIUM
  12. 2026-08-27 14:25 UTCEPSS rescore
  13. 2026-08-27 06:34 UTCGHSA enrichment
  14. 2026-08-27 06:17 UTCNVD update
  15. 2026-08-27 06:15 UTCEG score recompute
  16. 2026-08-27 06:11 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16567?
CVE-2026-16567 is a medium vulnerability published on August 27, 2026. The Document Embedder WordPress plugin before 2.3.1 does not check a document's status before issuing a download token and streaming the file, allowing unauthenticated attackers to download arbitrary Document Embedder WordPress plugin before 2.3.1 documents, including private and draft ones, by…
When was CVE-2026-16567 disclosed?
CVE-2026-16567 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16567 actively exploited?
CVE-2026-16567 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 91.0% of all scored CVEs.
What is the CVSS score of CVE-2026-16567?
CVE-2026-16567 has a CVSS v3.1 base score of 5.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16567?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16567, 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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