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CVE-2026-118241 Smush < 4.3.6 - Author+ Optimization and Restoration of Others' Attachments via IDOR

2.7 lowEPSS 0.3%

Low (2.7) in unknown smush. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.

On this page
The Smush WordPress plugin before 4.3.6 does not verify that a user is authorised to act on the targeted media attachment, only checking a broad upload-files capability, which allows users with the Author role and above to optimise and restore attachments owned by other users, altering their files on disk and consuming the stored backup.

Severity

CVSS 3.1

2.7 low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
EPSS
0.3% estimated probability of exploitation activity in the next 30 days; 21st percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: partial, assessed 2026-11-11. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-639 Authorization Bypass Through User-Controlled Key
OWASP Top 10
A01:2025 Broken Access Control
Published
Modified
Assigned by
WPScan (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

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CVE-2026-118241

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Affected

History

  1. Scored 2.7 low
  2. The NVD deferred its analysis

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

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