CVE-2026-13177

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-08-12. 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 — 3 sources updated this weekElevated
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: Elevated riskExposed: 0

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

The Eventin WordPress plugin before 4.1.20 does not properly restrict access to individual order records, allowing users with contributor-level access and above to read other customers' order data including personal information by iterating order identifiers.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 13, 2026

Advisory Details (1)

Auto-updated Aug 13, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Eventin < 4.1.20 – Contributor+ Order Information Disclosure via IDOR | CVE 2026-13177 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/424f774d-9e09-4594-8732-9c527dfc748c/

Vendor Advisories for CVE-2026-13177(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 19× in last 7d / 28× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 20:27 UTCGHSA enrichment
  3. 2026-08-19 20:03 UTCEG score recompute
  4. 2026-08-19 20:03 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 19:39 UTCEG score recompute
  7. 2026-08-18 19:39 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 19:15 UTCEG score recompute
  10. 2026-08-17 19:15 UTCGHSA enrichment
  11. 2026-08-16 17:43 UTCEG score recompute
  12. 2026-08-16 17:43 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 02:14 UTCEPSS rescore
  15. 2026-08-15 17:19 UTCEG score recompute
  16. 2026-08-15 17:19 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-14 16:55 UTCEG score recompute
  19. 2026-08-14 16:55 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-13 16:31 UTCGHSA enrichment
  22. 2026-08-13 15:58 UTCEG score recompute▲ 4.30
  23. 2026-08-13 15:58 UTCGHSA enrichment
  24. 2026-08-13 15:56 UTCMITRE cvelistV5CVSS v3 → 4.3 · severity → MEDIUM
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 3 more
  1. 2026-08-12 06:18 UTCNVD update
  2. 2026-08-12 06:06 UTCEG score recompute
  3. 2026-08-12 06:03 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-13177?
CVE-2026-13177 is a medium vulnerability published on August 12, 2026. The Eventin WordPress plugin before 4.1.20 does not properly restrict access to individual order records, allowing users with contributor-level access and above to read other customers' order data including personal information by iterating order identifiers.
When was CVE-2026-13177 disclosed?
CVE-2026-13177 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13177 actively exploited?
CVE-2026-13177 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 91.6% of all scored CVEs.
What is the CVSS score of CVE-2026-13177?
CVE-2026-13177 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13177?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13177, 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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