How severe is CVE-2025-64218?

CVE-2025-64218 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-64218 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-64218?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-64218 have an EU (EUVD) identifier?

Yes. CVE-2025-64218 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204078.

When was CVE-2025-64218 published?

CVE-2025-64218 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2025-64218

CVE-2025-64218 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-201.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204078
Weakness: CWE-201
Published: 2025-12-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-64218?: 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.
How severe is CVE-2025-64218?: CVE-2025-64218 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-64218 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-64218?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-64218 have an EU (EUVD) identifier?: Yes. CVE-2025-64218 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204078.
When was CVE-2025-64218 published?: CVE-2025-64218 was published on 2025-12-18 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/content-protector/vulnerability/wordpress-passster-plugin-4-2-19-sensitive-data-exposure-vulnerability?_s_id=cve

Other CWE-201 vulnerabilities

CVE-2025-49408 — Critical (CVSS 10.0): Insertion of Sensitive Information Into Sent Data vulnerability in WPDeveloper Templately allows Retrieve Embedded…
CVE-2024-7205 — Critical (CVSS 9.4): When the device is shared, the homepage module are before 2.19.0 in eWeLink Cloud Service allows Secondary user to…
CVE-2026-39912 — Critical (CVSS 9.1): V2Board 1.6.1 through 1.7.4 and Xboard through 0.1.9 expose authentication tokens in HTTP response bodies of the…
CVE-2025-48749 — Critical (CVSS 9.1): Netwrix Directory Manager (formerly Imanami GroupID) v11.0.0.0 and before & after v.11.1.25134.03 inserts Sensitive…
CVE-2025-11500 — High (CVSS 8.7): Tinycontrol devices such as tcPDU and LAN Controllers LK3.5, LK3.9 and LK4 have two separate authentication…
CVE-2025-48045 — High (CVSS 8.7): An unauthenticated HTTP GET request to the /client.php endpoint will disclose the default administrator user…

Browse all CWE-201 vulnerabilities →