CVE-2026-13405

MEDIUMPre-NVD 6.66.6—
EchelonGraph scoreHIGH confidence

Score 6.6 from GitHub Security Advisory published 2026-08-20. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
6.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.6Exploit: None knownExposed: 0

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

The Royal Addons for Elementor WordPress plugin before 1.7.1066 does not correctly sanitise custom widget markup before writing it to a file that is later executed, allowing users with the manage_options capability (and, on WordPress Multisite, non-super subsite administrators who do not otherwise hold code-execution capabilities) to execute arbitrary PHP code.

CVSS v3
6.6
EG Score
6.6(high)
EG Risk
30(Track)
EG Risk 30/100SSVC: 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
Severity66% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

August 20, 2026

Last Modified

August 20, 2026

Advisory Details (1)

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

Royal Elementor Addons < 1.7.1066 – Admin+ Remote Code Execution via Widget Builder | CVE 2026-13405 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/247be7fc-a49f-429e-875d-8649510c42b5/

Vendor Advisories for CVE-2026-13405(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 10× in last 7d / 10× 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. 2026-08-21 08:46 UTCEG score recompute
  2. 2026-08-21 08:46 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 10:25 UTCGHSA enrichment
  5. 2026-08-20 09:57 UTCEG score recompute▲ 6.60
  6. 2026-08-20 09:57 UTCGHSA enrichment
  7. 2026-08-20 09:56 UTCMITRE cvelistV5CVSS v3 → 6.6 · severity → MEDIUM
  8. 2026-08-20 06:19 UTCNVD update
  9. 2026-08-20 06:03 UTCEG score recompute
  10. 2026-08-20 06:02 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-13405?
CVE-2026-13405 is a medium vulnerability published on August 20, 2026. The Royal Addons for Elementor WordPress plugin before 1.7.1066 does not correctly sanitise custom widget markup before writing it to a file that is later executed, allowing users with the manage_options capability (and, on WordPress Multisite, non-super subsite administrators who do not otherwise…
When was CVE-2026-13405 disclosed?
CVE-2026-13405 was first published in the National Vulnerability Database on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13405 actively exploited?
CVE-2026-13405 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 80.0% of all scored CVEs.
What is the CVSS score of CVE-2026-13405?
CVE-2026-13405 has a CVSS v3.1 base score of 6.6 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13405?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13405, 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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