RCE in Typemill
CVE-2026-120218
A flaw has been found in Typemill up to 2.26.0. The impacted element is the function ControllerApiImage::saveImage of the file system/typemill/Models/SvgSanitizer.php. Executing a manipulation can lead to cross site scripting. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version 2.27.0 is sufficient to resolve this issue. This patch is called 9ca43c4a7b6764c5a6ac11a2ccc099b036ee3cef. It is recommended to upgrade the affected component.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
- Typemill — versions 2.0, 2.1, 2.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/vuln/429569 (technical-description, vdb-entry)
- vuldb.com/vuln/429569/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-120218 (third-party-advisory)
- vuldb.com/submit/992817 (third-party-advisory)
- github.com/typemill/typemill/commit/9ca43c4a7b6764c5a6ac11a2ccc099b036ee3cef (patch)
- github.com/typemill/typemill/releases/tag/v2.27.0 (patch)
- github.com/typemill/typemill/ (product)
Frequently asked questions
- What is CVE-2026-120218?
- CVE-2026-120218 is a low-severity vulnerability in Typemill, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-11-01.
- How severe is CVE-2026-120218?
- Low severity. CVSS v3 base score is 3.5 out of 10.
- Is CVE-2026-120218 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.