CVE-2026-1915Network attack vector

Stored XSS via unescaped poster shortcode attribute

Published Feb 14, 2026 · Updated Feb 14, 2026

Stored XSS in Bestony Simple Plyr 0.0.1 and earlier allows remote authenticated users to inject scripts via a crafted poster value. The plyr shortcode renderer places the user-controlled poster attribute into generated video markup without adequate sanitization or output escaping. Contributor-level access is required; injected scripts execute whenever a visitor opens the affected page, enabling actions in that visitor's browser context.

CVSS severity6.4
Medium
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Bestony Simple Plyr 0.0.1 and earlier allows remote authenticated users to inject scripts via a crafted poster value. The plyr shortcode renderer places the user-controlled poster attribute into generated video markup without adequate sanitization or output escaping. Contributor-level access is required; injected scripts execute whenever a visitor opens the affected page, enabling actions in that visitor's browser context.

The record

CVE
CVE-2026-1915
Published
Feb 14, 2026
Updated
Feb 14, 2026
Vendor
Bestony
Product
Simple Plyr
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=* <=0.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Bestony · Simple Plyrversion=* <=0.0.1

Published CVSS scores

6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

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

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Your stack

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