canvg 4.0.2 StyleElement prototype pollution

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in canvg 4.0.2. Affected by this vulnerability is the function StyleElement. Such manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2025-25977. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in canvg 4.0.2. Using CWE to declare the problem leads to CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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

The advisory is available at github.com. This vulnerability is handled as CVE-2025-25977 since 02/07/2025. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-6266). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/07/2025 🔍
03/10/2025 +31 days 🔍
03/10/2025 +0 days 🔍
06/02/2025 +84 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1749
Status: Confirmed

CVE: CVE-2025-25977 (🔍)
GCVE (CVE): GCVE-0-2025-25977
GCVE (VulDB): GCVE-100-299090
EUVD: 🔍

Entryinfo

Created: 03/10/2025 17:40
Updated: 06/02/2025 08:04
Changes: 03/10/2025 17:40 (51), 03/13/2025 07:39 (2), 06/02/2025 08:04 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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