CVE-2026-33334 identifies a critical vulnerability in the Vikunja Desktop Electron wrapper, affecting versions 0.21.0 through 2.1.x, where improper configuration allows any cross-site scripting (XSS) flaw in the web frontend to escalate to full remote code execution (RCE). Rated 9.6 CRITICAL, this flaw has a network attack vector and low attack complexity, but requires user interaction, leading to complete compromise of the victim's machine. Although no active exploitation, public exploit code, or significant community discussion has been observed, the direct path from XSS to RCE makes this a high-risk vulnerability. Organizations using affected versions should upgrade to 2.2.0 or later to remediate the issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.21.0, < 2.2.2CPE matchmatch criteria | cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.