CVE-2017-15284
Cross-Site Scripting exists in OctoberCMS 1.0.425 (aka Build 425), allowing a least privileged user to upload an SVG file containing malicious code as the Avatar for the profile.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 4.0%. Treat it as high on anything reachable from the internet.
Description
Cross-Site Scripting exists in OctoberCMS 1.0.425 (aka Build 425), allowing a least privileged user to upload an SVG file containing malicious code as the Avatar for the profile. When this is opened by the Admin, it causes JavaScript execution in the context of the Admin account.
- CVSS 3.0
- 5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 4.03% probability · 91th percentile
- Public exploits
- 1 in Exploit-DB · first 12 October 2017
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- octobercms/october
- Source
- cve@mitre.org
EPSS moved from 6.3% on 21 September 2026 to 4.0% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://github.com/octobercms/library/commit/3bbbbf3da469f457881b5af902eb0b89b95189a2Patch, Third Party Advisory
- https://packetstormsecurity.com/files/144587/OctoberCMS-1.0.425-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42978/Exploit, Third Party Advisory, VDB Entry
- https://github.com/octobercms/library/commit/3bbbbf3da469f457881b5af902eb0b89b95189a2Patch, Third Party Advisory
- https://packetstormsecurity.com/files/144587/OctoberCMS-1.0.425-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42978/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.