CVE-2026-16542

MEDIUMPre-NVD 4.14.1
EchelonGraph scoreLOW confidence

This medium-severity CVE scores 4.1 under CISA-ADP (Vulnrichment) CVSS v3.1 (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: cisa-adp
Trending — 4 sources updated this week
4.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.1Exploit: None knownExposed: 0

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

The Import and export users and customers WordPress plugin before 2.4.5 does not validate a user-supplied URL before requesting it server-side during a CSV import, allowing high-privileged users to perform Server-Side Request Forgery attacks.

CVSS v3
4.1
EG Score
4.1(low)
EG Risk
18(Track)
EG Risk 18/100SSVC: 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
Severity41% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

September 20, 2026

Last Modified

September 20, 2026

Advisory Details (1)

Auto-updated Sep 20, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Import and export users and customers < 2.4.5 – Admin+ SSRF via bp_avatar | CVE 2026-16542 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/f57577b2-3031-433a-a3e1-758d12b244d1/

Vendor Advisories for CVE-2026-16542(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 7× in last 7d / 7× 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. 2026-09-20 14:29 UTCGHSA enrichment
  2. 2026-09-20 13:51 UTCEG score recompute▲ 4.10
  3. 2026-09-20 13:51 UTCGHSA enrichment
  4. 2026-09-20 13:51 UTCMITRE cvelistV5CVSS v3 → 4.1 · severity → MEDIUM
  5. 2026-09-20 07:20 UTCNVD update
  6. 2026-09-20 06:25 UTCEG score recompute
  7. 2026-09-20 06:24 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16542?
CVE-2026-16542 is a medium vulnerability published on September 20, 2026. The Import and export users and customers WordPress plugin before 2.4.5 does not validate a user-supplied URL before requesting it server-side during a CSV import, allowing high-privileged users to perform Server-Side Request Forgery attacks.
When was CVE-2026-16542 disclosed?
CVE-2026-16542 was first published in the National Vulnerability Database on September 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16542 actively exploited?
CVE-2026-16542 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 96.8% of all scored CVEs.
What is the CVSS score of CVE-2026-16542?
CVE-2026-16542 has a CVSS v3.1 base score of 4.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-16542?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16542, 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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