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Description

The Betheme theme for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 28.4. This is due to the upload_icons() function workflow moving and unzipping user-controlled ZIP files into a public uploads directory without validating extracted file types. This makes it possible for authenticated attackers, with author-level access and above, to upload arbitrary files (including PHP) and achieve remote code execution via the Icons icon-pack upload flow.

PUBLISHED Reserved 2026-04-13 | Published 2026-05-05 | Updated 2026-05-05 | Assigner Wordfence




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-434 Unrestricted Upload of File with Dangerous Type

Product status

Default status
unaffected

Any version
affected

Timeline

2026-04-14:Vendor Notified
2026-05-04:Disclosed

Credits

Craig Smith finder

Leonid Semenenko finder

References

www.wordfence.com/...-8f74-4081-b3a4-cb1ae2027312?source=cve

support.muffingroup.com/changelog/

cve.org (CVE-2026-6261)

nvd.nist.gov (CVE-2026-6261)

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