CVE-2026-11570

MEDIUMPre-NVD 4.24.2—
EchelonGraph scoreHIGH confidence

Score 4.2 from GitHub Security Advisory published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
4.2
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.2Exploit: NoneExposed: 0

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

The User Submitted Posts WordPress plugin before 20260608 does not escape a submitted value before outputting it in an admin-configured display template, leading to a Stored Cross-Site Scripting that can be triggered by unauthenticated users when a non-default display option is enabled.

CVSS v3
4.2
EG Score
4.2(high)
EPSS
3.4%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 1, 2026

Advisory Details (1)

Auto-updated Jul 1, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

User Submitted Posts < 20260608 – Unauthenticated Stored XSS via Author Name | CVE 2026-11570 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/35c33c56-5b12-4be5-9d45-68f47cd854ec/

Vendor Advisories for CVE-2026-11570(1)

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

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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 12:23 UTCEG score recompute
  3. 2026-07-06 12:23 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 10:49 UTCEG score recompute
  6. 2026-07-05 10:49 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 09:16 UTCEG score recompute▲ 4.20
  10. 2026-07-04 09:16 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-01 15:06 UTCEPSS rescore
  13. 2026-07-01 15:06 UTCEPSS rescore
  14. 2026-07-01 11:23 UTCNVD updateCVSS v3 → 4.2 · severity → MEDIUM
  15. 2026-07-01 07:22 UTCEG score recompute
  16. 2026-07-01 07:21 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-11570?
CVE-2026-11570 is a medium vulnerability published on July 1, 2026. The User Submitted Posts WordPress plugin before 20260608 does not escape a submitted value before outputting it in an admin-configured display template, leading to a Stored Cross-Site Scripting that can be triggered by unauthenticated users when a non-default display option is enabled.
When was CVE-2026-11570 disclosed?
CVE-2026-11570 was first published in the National Vulnerability Database on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11570 actively exploited?
CVE-2026-11570 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11570?
CVE-2026-11570 has a CVSS v3.1 base score of 4.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-11570?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11570, 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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