WordPress Plugin Vulnerabilities

Spotlight Social Feeds < 1.4.3 - Contributor+ Stored XSS

Description

The plugin does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Proof of Concept

Exploit Additional CSS class(es) for "Spotlight Instagram Feed" Gutenberg block:
" onmouseover="alert(1)" style="background:red;"

Note: First, you need to add a Feed with an Instagram account connection.

Affects Plugins

References

Classification

Type
XSS
CWE

Miscellaneous

Original Researcher
Lana Codes
Submitter
Lana Codes
Submitter website
Submitter twitter
Verified
Yes

Timeline

Publicly Published
2023-01-23 (about 1 years ago)
Added
2023-01-23 (about 1 years ago)
Last Updated
2023-01-23 (about 1 years ago)

Other