CVE-2026-78281Network attack vectorHinoki check available

Reflected XSS via unsanitized shortcode attributes

Published Aug 27, 2026 · Updated Aug 27, 2026

Reflected XSS in CodePeople CP Media Player 1.3.0 and earlier allows remote attackers to execute script through shortcode attributes. The shortcode renderer places user-controlled attributes, including an unrestricted type value, into generated player markup without sanitization. Exploitation requires a victim to open a crafted request, and the injected script runs in that victim's browser context.

CVSS severity7.1
High
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Reflected XSS in CodePeople CP Media Player 1.3.0 and earlier allows remote attackers to execute script through shortcode attributes. The shortcode renderer places user-controlled attributes, including an unrestricted type value, into generated player markup without sanitization. Exploitation requires a victim to open a crafted request, and the injected script runs in that victim's browser context.

The record

CVE
CVE-2026-78281
Published
Aug 27, 2026
Updated
Aug 27, 2026
Vendor
CodePeople
Product
CP Media Player
Classifications
CWE-79, CAPEC-591, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=1.3.0 changes=[{"at":"1.3.1","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

CodePeople · CP Media Playerversion=n/a <=1.3.0 changes=[{"at":"1.3.1","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo