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CP Media Player EUVDEUVD-2026-66940

| CVE-2026-78281 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-08-27 Patchstack GHSA-96v7-mr94-pvq8
7.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
7.1 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
vuln.today AI
6.1 MEDIUM

XSS via crafted URL requires no auth (PR:N) and victim click (UI:R); scope changes to browser, but availability is unaffected by script injection.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Aug 27, 2026 - 10:01 vuln.today
CVE Published
Aug 27, 2026 - 09:00 cve.org
HIGH 7.1

DescriptionCVE.org

Unauthenticated Cross Site Scripting (XSS) in CP Media Player <= 1.3.0 versions.

AnalysisAI

Unauthenticated cross-site scripting in the CP Media Player WordPress plugin (versions 1.3.0 and earlier, by Codepeople) allows a remote unauthenticated attacker to inject arbitrary JavaScript into a victim's browser session by tricking them into visiting a crafted URL. Because the CVSS vector indicates a scope change (S:C), successful exploitation affects the victim's browser context beyond the plugin itself - enabling session hijacking, credential theft, or redirection to malicious infrastructure. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Identify target WordPress site with CP Media Player ≤1.3.0
Delivery
Craft URL embedding XSS payload in vulnerable parameter
Exploit
Deliver crafted link to victim via phishing or social engineering
Install
Victim clicks link, browser loads WordPress page
C2
Plugin reflects unescaped payload into HTML response
Execute
Attacker JavaScript executes in victim's browser origin
Impact
Exfiltrate session cookie or perform actions as victim

Vulnerability AssessmentAI

Exploitation Exploitation requires that the target WordPress site has CP Media Player version 1.3.0 or earlier installed and active. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD CVSS 3.1 score of 7.1 (High) is driven primarily by the network attack vector, low complexity, no authentication requirement, and the scope change to the victim's browser context. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker identifies a WordPress site running CP Media Player 1.3.0 or earlier, then crafts a URL embedding a malicious JavaScript payload in a parameter the plugin reflects without sanitization. The attacker delivers this URL to a logged-in WordPress administrator via phishing email or a forum post; when the admin visits the link, the script executes in their browser, exfiltrating their session cookie to an attacker-controlled server and granting the attacker administrative access to the WordPress site. …
Remediation The primary remediation is to update CP Media Player to a version above 1.3.0 as soon as a patched release is available from the WordPress plugin repository or the Codepeople vendor. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Audit all WordPress instances for CP Media Player versions 1.3.0 and earlier; disable the plugin immediately and notify stakeholders of the active risk. …

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EUVD-2026-66940 vulnerability details – vuln.today

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