Simple Banner < 3.3.3 - Authenticated Privilege Escalation via User Permissions Setting

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-107506
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-21 06:16:46 UTC
Updated2026-10-21 18:37:38 UTC
DescriptionThe Simple Banner WordPress plugin before 3.3.3 does not correctly limit the capabilities it grants to the user roles an administrator allows to manage its banners, granting such roles the full administrator capability, which allows users in a low-privileged role to escalate their privileges and fully compromise the site.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001480000 probability, percentile 0.037130000 (date 2026-10-21)

Problem Types: CWE-269 | CWE-269 Improper Privilege Management | CWE-269 CWE-269 Improper Privilege Management

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Simple Banner affected 3.3.3 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/8123f94c-0f46-4123-ae13-c2d5474476b2 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jakub Herman (en)

CNA: WPScan (en)

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