CVE-2025-1509Network attack vector

Unauthenticated shortcode execution via parsed cookie values

Published Feb 22, 2025 · Updated Apr 8, 2026

Code injection in Jay Versluis Show Me The Cookies 1.0 and earlier allows remote attackers to execute arbitrary WordPress shortcodes. The cookie-list handler concatenates HTTP cookie names and values into its output, then passes the resulting string to do_shortcode without validation. Any unauthenticated visitor can supply a crafted Cookie header when a public page renders [cookies] or [cookies-nowp], causing installed shortcode handlers to run in the site context.

CVSS severity7.3
High
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Jay Versluis Show Me The Cookies 1.0 and earlier allows remote attackers to execute arbitrary WordPress shortcodes. The cookie-list handler concatenates HTTP cookie names and values into its output, then passes the resulting string to do_shortcode without validation. Any unauthenticated visitor can supply a crafted Cookie header when a public page renders [cookies] or [cookies-nowp], causing installed shortcode handlers to run in the site context.

The record

CVE
CVE-2025-1509
Published
Feb 22, 2025
Updated
Apr 8, 2026
Vendor
Jay Versluis
Product
Show Me The Cookies
Classifications
CWE-94, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 22, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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 <=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Jay Versluis · Show Me The Cookiesversion=0 <=1.0

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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-94Improper Control of Generation of Code ('Code Injection')
T1190Exploit Public-Facing Application

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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