WordPress Plugin Vulnerabilities

e-signature < 1.5.6.8 - Unauthenticated Arbitrary File Upload leading to RCE

Description

The AJAX sif_upload_file allowed the authorised extensions to be provided in the request, which result in unauthenticated arbitrary file upload and lead to RCE

Proof of Concept

/wp-admin/admin-ajax.php?action=sif_upload_file

Affects Plugins

Fixed in 1.5.6.8

References

Miscellaneous

Original Researcher
John Castro
Submitter
Pagely
Submitter website
Submitter twitter
Verified
Yes

Timeline

Publicly Published
2021-01-19 (about 3 years ago)
Added
2021-01-19 (about 3 years ago)
Last Updated
2021-01-20 (about 3 years ago)

Other