CVE-2026-17533

HIGHPre-NVD 7.27.2
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-16. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this weekElevated
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: Elevated riskExposed: 0

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

The All-in-One WP Migration and Backup WordPress plugin before 7.108 does not restrict its migration import functionality to network administrators on multisite installations, allowing an administrator of a single subsite to execute arbitrary PHP code across the entire network.

CVSS v3
7.2
EG Score
7.2(high)
EG Risk
48(Track*)
EG Risk 48/100SSVC: 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
Severity72% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

August 16, 2026

Last Modified

August 17, 2026

Advisory Details (1)

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

All-in-One WP Migration and Backup < 7.108 – Multisite Subsite Admin+ Network-Wide PHP Code Execution via REST Import | CVE 2026-17533 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/13b57cdc-d954-4db6-94c2-53ad04ab0d34/

Vendor Advisories for CVE-2026-17533(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 22× in last 7d / 22× 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 21:02 UTCGHSA enrichment
  3. 2026-08-20 09:12 UTCGHSA enrichment
  4. 2026-08-19 21:23 UTCEG score recompute
  5. 2026-08-19 21:23 UTCGHSA enrichment
  6. 2026-08-19 17:03 UTCEPSS rescore
  7. 2026-08-19 09:25 UTCGHSA enrichment
  8. 2026-08-18 21:37 UTCEG score recompute
  9. 2026-08-18 21:37 UTCGHSA enrichment
  10. 2026-08-18 13:48 UTCEPSS rescore
  11. 2026-08-18 09:21 UTCGHSA enrichment
  12. 2026-08-17 21:34 UTCEG score recompute
  13. 2026-08-17 21:33 UTCGHSA enrichment
  14. 2026-08-17 20:30 UTCEG score recompute 7.20
  15. 2026-08-17 20:30 UTCGHSA enrichment
  16. 2026-08-17 20:29 UTCMITRE cvelistV5CVSS v3 → 7.2 · severity → HIGH
  17. 2026-08-17 13:47 UTCEPSS rescore
  18. 2026-08-16 14:56 UTCEPSS rescore
  19. 2026-08-16 06:30 UTCGHSA enrichment
  20. 2026-08-16 06:30 UTCNVD update
  21. 2026-08-16 06:10 UTCEG score recompute
  22. 2026-08-16 06:09 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-17533?
CVE-2026-17533 is a high vulnerability published on August 16, 2026. The All-in-One WP Migration and Backup WordPress plugin before 7.108 does not restrict its migration import functionality to network administrators on multisite installations, allowing an administrator of a single subsite to execute arbitrary PHP code across the entire network.
When was CVE-2026-17533 disclosed?
CVE-2026-17533 was first published in the National Vulnerability Database on August 16, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17533 actively exploited?
CVE-2026-17533 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 75.5% of all scored CVEs.
What is the CVSS score of CVE-2026-17533?
CVE-2026-17533 has a CVSS v3.1 base score of 7.2 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-17533?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17533, 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-2026-17533

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