CVE-2025-25977

An issue in canvg v.4.0.2 allows an attacker to execute arbitrary code via the Constructor of the class StyleElement

Critical · published March 10, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
53.1
In the wild
Unconfirmed
What it is

🔥 A single line of code in canvg v.4.0.2 could allow a crafty attacker to run any command on your server, like giving a stranger the keys to your digital vault! 😱 Think of it like a rogue contractor who sneaks into a building project, replacing crucial blueprints with their own. If the construction team follows those faulty plans, the whole structure could collapse! This vulnerability allows attackers to execute arbitrary code, meaning they could take control of your system, access sensitive data, or even deploy malicious software. The consequences could be absolutely devastating, putting not just your data but your entire project at risk!

Put simply

Think of it like a rogue contractor who sneaks into a building project, replacing crucial blueprints with their own. If the construction team follows those faulty plans, the whole structure could collapse! The flaw resides in the Constructor of the class StyleElement, which fails to adequately validate inputs. This oversight enables an attacker to inject malicious code, leading to remote code execution and unauthorized control.

What to do

This vulnerability allows attackers to execute arbitrary code, meaning they could take control of your system, access sensitive data, or even deploy malicious software. The consequences could be absolutely devastating, putting not just your data but your entire project at risk! To protect yourself, update to canvg version 4.0.3 immediately to patch the vulnerability. Additionally, review your code to ensure no untrusted data can enter the constructor. Regular audits will also help strengthen your defenses! You've got this! Secure your project with just a quick update, and you'll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00713 · 53.1th percentile
Published
2025-03-10T00:00Z
EPSS history
Timeline
  • 10 MAR 00:00Z
    An issue in canvg v.4.0.2 allows an attacker to execute arbitrary code via the Constructor of the class StyleElement
    cvelistv5