VW Writer Blog <= 1.3.8 - Missing Authorization to Authenticated (Subscriber+) Theme Settings Reset

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-2278
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-19 08:16:53 UTC
Updated2026-09-21 13:33:33 UTC
DescriptionThe VW Writer Blog theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'vw_writer_blog_reset_all_settings' function in all versions up to, and including, 1.3.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset all theme customizer settings to their defaults.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

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

EPSS: 0.001960000 probability, percentile 0.095940000 (date 2026-09-22)

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Vowelweb VW Writer Blog affected 1.3.8 semver Not specified

References

ReferenceSourceLinkTags
themes.trac.wordpress.org/browser/vw-writer-blog/1.3.9/functions.php [email protected] themes.trac.wordpress.org
themes.trac.wordpress.org/browser/vw-writer-blog/trunk/functions.php [email protected] themes.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/2b1751f0-d385-43f5-bf90-82479... [email protected] www.wordfence.com
themes.trac.wordpress.org/browser/vw-writer-blog/1.3.6/functions.php [email protected] themes.trac.wordpress.org
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: Legion Hunter (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-18T00:00:00.000ZDisclosed

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