8.8
High
CVE-2026-48920 Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as `base64` in email content by…
Description
Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as `base64` in email content by setting the `data-inline` attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify `file:` URLs for images to read arbitrary files from the Jenkins controller filesystem.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Jenkins Email Extension Plugin 1933 | earliest → 1933.v45cec755423f | No fix stated |
Other CVEs of Jenkins Email Extension Plugin
The 9 CVEs of Jenkins Email Extension Plugin →
CVE-2023-32980
A cross-site request forgery (CSRF) vulnerability in Jenkins Email Extension Plugin allows attackers to make another…
4.3
Medium
CVE-2023-32979
Jenkins Email Extension Plugin does not perform a permission check in a method implementing form validation, allowing…
4.3
Medium
CVE-2023-25765
In Jenkins Email Extension Plugin 2.93 and earlier, templates defined inside a folder were not subject to Script…
9.9
Critical
CVE-2023-25763
Jenkins Email Extension Plugin 2.93 and earlier does not escape various fields included in bundled email templates,…
5.4
Medium