WordPress Plugin Vulnerabilities

Sitewide Notice WP < 2.3 - Admin+ Stored XSS

Description

The plugin does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Proof of Concept

Put the following payload in the Message setting of the plugin: <script>alert(/XSS/)</script>

The XSS will be triggered in all frontend pages

Affects Plugins

References

Classification

Type
XSS
CWE
CVSS

Miscellaneous

Original Researcher
Asif Nawaz Minhas
Submitter
Asif Nawaz Minhas
Verified
Yes

Timeline

Publicly Published
2021-08-02 (about 2 years ago)
Added
2021-08-02 (about 2 years ago)
Last Updated
2023-04-12 (about 1 years ago)

Other