WordPress Plugin Vulnerabilities
tagDiv Composer < 4.2 - Admin+ Stored XSS
Description
The plugin, used as a companion by the Newspaper and Newsmag themes from tagDiv, does not validate and escape some settings, which could allow users with Admin privileges to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
Proof of Concept
1. Visit Newsmag > Plugins and install and activate "tagDiv Composer"
2. Visit Newsmag > Theme panel > Custom Code
3. Enter the following in "Custom CSS" and click "Save Settings":
</style><img src onerror=alert('XSS')><style>
4. Visit the site frontend to see the XSS.
Affects Plugins
Fixed in 4.2 References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Truoc Phan
Submitter
Truoc Phan
Submitter website
Submitter twitter
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2023-08-17 (about 8 months ago)
Added
2023-08-17 (about 8 months ago)
Last Updated
2023-08-17 (about 8 months ago)
WPScan 