Medium severity · published Oct 16, 2018
CVE-2018-18307
A Stored XSS vulnerability has been discovered in version 4.1.0 of AlchemyCMS via the /admin/pictures image field
6.1
CVSS
1.7%
EPSS
No
On KEV
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."
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Alchemy Cms · Alchemy-cms
4.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18307
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18307
Exploit
http://packetstormsecurity.com/files/149787/Alchemy-CMS-4.1-Stable-Cross-Site-Scripting.html
github.com
https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/base_controller.rb#L15
github.com
https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/pictures_controller.rb#L5
github.com
https://github.com/AlchemyCMS/alchemy_cms/blob/4.1-stable/app/controllers/alchemy/admin/resources_controller.rb#L21
www.exploit-db.com
https://www.exploit-db.com/exploits/45601
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