CVE-2018-18307

MEDIUM

Alchemy-cms Alchemy Cms - XSS

Title source: rule

Description

A Stored XSS vulnerability has been discovered in version 4.1.0 of AlchemyCMS via the /admin/pictures image field. NOTE: the vendor's position is that this is not a valid report: "The researcher used an authorized cookie to perform the request to a password-protected route. Without that session cookie, the request would have been rejected as unauthorized."

Exploits (1)

exploitdb WORKING POC

by Ismail Tasdelen · textwebappsruby

https://www.exploit-db.com/exploits/45601

View Code ZIP pw:eip

References (5)

[Various Sources] https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/resources_controller.rb#L21

[Exploit, Third Party Advisory, VDB Entry] http://packetstormsecurity.com/files/149787/Alchemy-CMS-4.1-Stable-Cross-Site-Scripting.html

[Various Sources] https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/base_controller.rb#L15

[Various Sources] https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/pictures_controller.rb#L5

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/45601

Scores

CVSS v3 6.1

EPSS 0.0034

EPSS Percentile 56.8%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE

CWE-79

Status published

Products (2)

alchemy-cms/alchemy_cms 4.1.0

rubygems/alchemy_cms RubyGems

Published Oct 16, 2018

Tracked Since Feb 18, 2026