What is CVE-2018-12111?

CVE-2018-12111 is a medium-severity vulnerability in Canon Efi Printme, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-11.

How severe is CVE-2018-12111?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Canon Efi Printme

CVE-2018-12111

Cross-site scripting (XSS) vulnerability in the Canon PrintMe EFI webinterface allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to the /wt3/mydocs.php URI.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-06-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.025 (83.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Canon Efi Printme

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.exploit-db.com/exploits/44882/ (Exploit, VDB Entry, Third Party Advisory, exploit)
gist.github.com/huykha/b16109b8e859a992b658dd18b2ee4a7c (Broken Link)

Frequently asked questions

What is CVE-2018-12111?: CVE-2018-12111 is a medium-severity vulnerability in Canon Efi Printme, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-11.
How severe is CVE-2018-12111?: Medium severity. CVSS v3 base score is 6.1 out of 10.