CVE-2026-91009

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-09-17. 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 Active Woot Products Tables for WooCommerce. 100% FREE  WordPress plugin before 2.1.3 does not have authorisation and CSRF checks in some of its AJAX actions, allowing any authenticated users, such as subscriber, to change the title of arbitrary posts, pages and products.

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
1%
KEV
Not listed

Published

September 17, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 17, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Active Products Tables for WooCommerce < 2.1.3 – Subscriber+ Arbitrary Post Title Modification via woot_update_attachment | CVE 2026-91009 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/9a45333a-2db3-4695-9b1d-3677d31288f0/

Vendor Advisories for CVE-2026-91009(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 15× 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 17:09 UTCGHSA enrichment
  2. 2026-09-19 18:10 UTCEG score recompute
  3. 2026-09-19 18:10 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 19:14 UTCGHSA enrichment
  6. 2026-09-18 12:18 UTCEG score recompute
  7. 2026-09-18 12:18 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 13:22 UTCGHSA enrichment
  10. 2026-09-17 12:37 UTCEG score recompute▲ 4.30
  11. 2026-09-17 12:37 UTCGHSA enrichment
  12. 2026-09-17 12:34 UTCMITRE cvelistV5CVSS v3 → 4.3 · severity → MEDIUM
  13. 2026-09-17 06:23 UTCNVD update
  14. 2026-09-17 06:04 UTCEG score recompute
  15. 2026-09-17 06:04 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-91009?
CVE-2026-91009 is a medium vulnerability published on September 17, 2026. The Active Woot Products Tables for WooCommerce. 100% FREE WordPress plugin before 2.1.3 does not have authorisation and CSRF checks in some of its AJAX actions, allowing any authenticated users, such as subscriber, to change the title of arbitrary posts, pages and products.
When was CVE-2026-91009 disclosed?
CVE-2026-91009 was first published in the National Vulnerability Database on September 17, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-91009 actively exploited?
CVE-2026-91009 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 99.0% of all scored CVEs.
What is the CVSS score of CVE-2026-91009?
CVE-2026-91009 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-91009?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-91009, 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

Explore the affected products and dependency analysis for CVE-2026-91009

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