The InPost PL WordPress plugin before 1.9.8 does not verify the authenticity of incoming shipment webhook requests, relying only on a non-secret identifier and an IP check that is not enforced, allowing unauthenticated attackers who know a target order's parcel tracking number to forge its shipment status and prematurely mark the order completed.
CVE-2026-93580
MEDIUMPre-NVD 5.35.3—Trending — 5 sources updated this week
EchelonGraph scoreHIGH confidence
Score 5.3 from GitHub Security Advisory published 2026-09-30. 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
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.3Exploit: None knownExposed services: Not assessed
No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.
- CVSS v3
- 5.3
- EG Score
- 5.3MEDIUMhigh confidence
- EG Risk
- 39EG Risk 39/100CISA SSVC
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 computedSeverity53% × 45%Exploitation0% × 40%Automatability100% × 15%CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix. - EPSS PROB
- 0.2%
- EPSS %ILE
- 14th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).
No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
September 30, 2026
Last Modified
September 30, 2026
Advisory Details (1)
Auto-updated Sep 30, 2026🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available
InPost for WooCommerce 1.7.5 – 1.9.7 – Unauthenticated Order Status Forgery via Shipment Webhook | CVE 2026-93580 | Plugin Vulnerabilities
https://wpscan.com/vulnerability/083dab74-cffe-4532-8fc3-939a015c83d4/Vendor Advisories for CVE-2026-93580(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 18× in last 7d / 18× 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.
- 2026-10-03 23:10 UTCEG score recompute
- 2026-10-03 23:10 UTCGHSA enrichment
- 2026-10-03 14:26 UTCEPSS rescore
- 2026-10-02 20:59 UTCEG score recompute
- 2026-10-02 20:59 UTCGHSA enrichment
- 2026-10-01 19:51 UTCEPSS rescore
- 2026-10-01 18:51 UTCGHSA enrichment
- 2026-09-30 16:41 UTCEG score recompute
- 2026-09-30 16:41 UTCGHSA enrichment
- 2026-09-30 15:04 UTCEPSS rescore
- 2026-09-30 14:29 UTCGHSA enrichment
- 2026-09-30 13:42 UTCEG score recompute▲ 5.30
- 2026-09-30 13:42 UTCGHSA enrichment
- 2026-09-30 13:41 UTCMITRE cvelistV5CVSS v3 → 5.3 · severity → MEDIUM
- 2026-09-30 06:34 UTCGHSA enrichment
- 2026-09-30 06:33 UTCNVD update
- 2026-09-30 06:15 UTCEG score recompute
- 2026-09-30 06:14 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-93580?
CVE-2026-93580 is a medium vulnerability published on September 30, 2026. The InPost PL WordPress plugin before 1.9.8 does not verify the authenticity of incoming shipment webhook requests, relying only on a non-secret identifier and an IP check that is not enforced, allowing unauthenticated attackers who know a target order's parcel tracking number to forge its shipment…
When was CVE-2026-93580 disclosed?
CVE-2026-93580 was first published on September 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-93580 actively exploited?
CVE-2026-93580 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (14th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-93580?
CVE-2026-93580 has a CVSS v3.1 base score of 5.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-93580?
No fix for CVE-2026-93580 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-93580 are linked in the Vendor Advisories panel on this page.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-93580
Is Your Infrastructure Affected by CVE-2026-93580?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.