CVE-2018-18307

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 v3.0

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

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

1.47% chance of exploitation in the next 30 days, 72th percentile

Published

2018-10-16

Updated

2025-08-29

Proof-of-concept exploits (2)

• http://packetstormsecurity.com/files/149787/Alchemy-CMS-4.1-Stable-Cross-Site-Scripting.h…
• https://www.exploit-db.com/exploits/45601

References

• CVE Record
• NVD entry

Related

• CVE-2018-18287
• CVE-2018-18308
• CVE-2018-18282
• CVE-2018-18309
• CVE-2018-18276
• CVE-2018-18310