CVE-2026-76552

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-16. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

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

The WP Import Export Lite WordPress plugin before 3.9.33 does not validate the type, extension or content of files it retrieves from a user-supplied URL during import, allowing users granted its import permission to store arbitrary files, including executable ones, on the server and achieve remote code execution.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
51%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 17, 2026

Advisory Details (1)

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

WP Import Export Lite < 3.9.33 – Authenticated Arbitrary File Upload via Remote Image Import | CVE 2026-76552 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/e858099a-c3ce-453d-9b98-75087dddc381/

Vendor Advisories for CVE-2026-76552(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 23× in last 7d / 23× 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. 2026-09-21 05:40 UTCEG score recompute
  2. 2026-09-21 05:40 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 17:04 UTCGHSA enrichment
  5. 2026-09-20 04:29 UTCGHSA enrichment
  6. 2026-09-19 15:54 UTCEG score recompute
  7. 2026-09-19 15:53 UTCGHSA enrichment
  8. 2026-09-19 03:11 UTCEG score recompute
  9. 2026-09-19 03:10 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 14:35 UTCGHSA enrichment
  12. 2026-09-18 01:59 UTCEG score recompute
  13. 2026-09-18 01:59 UTCGHSA enrichment
  14. 2026-09-17 13:24 UTCGHSA enrichment
  15. 2026-09-17 12:56 UTCEG score recompute▲ 8.80
  16. 2026-09-17 12:56 UTCGHSA enrichment
  17. 2026-09-17 12:54 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  18. 2026-09-16 21:02 UTCEG score recompute
  19. 2026-09-16 21:02 UTCGHSA enrichment
  20. 2026-09-16 14:08 UTCEPSS rescore
  21. 2026-09-16 06:21 UTCNVD update
  22. 2026-09-16 06:03 UTCEG score recompute
  23. 2026-09-16 06:02 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-76552?
CVE-2026-76552 is a high vulnerability published on September 16, 2026. The WP Import Export Lite WordPress plugin before 3.9.33 does not validate the type, extension or content of files it retrieves from a user-supplied URL during import, allowing users granted its import permission to store arbitrary files, including executable ones, on the server and achieve remote…
When was CVE-2026-76552 disclosed?
CVE-2026-76552 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-76552 actively exploited?
CVE-2026-76552 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 49.0% of all scored CVEs.
What is the CVSS score of CVE-2026-76552?
CVE-2026-76552 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-76552?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-76552, 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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