WP Chill Passster Plugin up to 4.2.19 on WordPress insertion of sensitive information into sent data

Summaryinfo

A vulnerability was found in WP Chill Passster Plugin up to 4.2.19 on WordPress. It has been declared as problematic. The impacted element is an unknown function. Such manipulation leads to insertion of sensitive information into sent data. This vulnerability is uniquely identified as CVE-2025-64218. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in WP Chill Passster Plugin up to 4.2.19 on WordPress. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a insertion of sensitive information into sent data vulnerability. Using CWE to declare the problem leads to CWE-201. The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. Impacted is confidentiality. CVE summarizes:

Insertion of Sensitive Information Into Sent Data vulnerability in WP Chill Passster content-protector allows Retrieve Embedded Sensitive Data.This issue affects Passster: from n/a through <= 4.2.19.

The weakness was disclosed by Que Thanh Tuan. The advisory is available at vdp.patchstack.com. This vulnerability is handled as CVE-2025-64218 since 10/29/2025. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/18/2025). This vulnerability is assigned to T1592 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.

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

Productinfo

Type

• WordPress Plugin

Vendor

• WP Chill

Name

• Passster Plugin

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8
• 4.2.9
• 4.2.10
• 4.2.11
• 4.2.12
• 4.2.13
• 4.2.14
• 4.2.15
• 4.2.16
• 4.2.17
• 4.2.18
• 4.2.19

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

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