WordPress Plugin Vulnerabilities
SendPress Newsletters <= 1.23.11.6 - Admin+ Stored XSS via Form Settings
Description
The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
Proof of Concept
1. Click SendPress (which is available in left side) 2. Go to the Settings=>Forms=Create Form=>Form Type=>Signup, then click save. 3. In the Forms of Label parameters are vulnerable to Stored Cross Site Scripting. Vulnerable parameters: Salutation Label, First Name Label, Last Name Label, Phone Number Label, E-Mail Label, Button Text, Lists Label: multiple lists only and Approval Label. 5. Payload: `"/><img src=x onerror=prompt(document.cookie)>` 6. Inject the above payload in above vulnerable parameters and save it. 7. The malicious JavaScript payload successfully executed.
Affects Plugins
References
CVE
YouTube Video
Classification
Type
XSS
OWASP top 10
CWE
Miscellaneous
Original Researcher
Manab Jyoti Dowarah
Submitter
Manab Jyoti Dowarah
Submitter twitter
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2024-03-18 (about 1 months ago)
Added
2024-03-18 (about 1 months ago)
Last Updated
2024-03-18 (about 1 months ago)