Splunk Enterprise Security update for canvg



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-25977
CWE-ID CWE-1321
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Splunk Enterprise Security (ES)
Server applications / Server solutions for antivurus protection

Vendor Splunk Inc.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Prototype pollution

EUVDB-ID: #VU108091

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-25977

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote attacker can execute arbitrary code via the Constructor of the class StyleElement.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Splunk Enterprise Security (ES): 7.3.0 - 7.3.3

CPE2.3 External links

https://advisory.splunk.com/advisories/SVD-2025-0714


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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