CVE-2026-27059Network attack vector

Contributor-level script execution via insufficient output escaping

Published Feb 19, 2026 · Updated Feb 19, 2026

Stored cross-site scripting in PenciDesign Penci Recipe 4.1 and earlier allows remote authenticated users to inject browser scripts. Published sources identify insufficient input sanitization and output escaping during page generation but do not disclose the affected parameter, function, or DOM operation. Contributor-level access is required, and execution occurs when another user visits an injected page, allowing script actions in that visitor's browser context.

CVSS severity6.5
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in PenciDesign Penci Recipe 4.1 and earlier allows remote authenticated users to inject browser scripts. Published sources identify insufficient input sanitization and output escaping during page generation but do not disclose the affected parameter, function, or DOM operation. Contributor-level access is required, and execution occurs when another user visits an injected page, allowing script actions in that visitor's browser context.

The record

CVE
CVE-2026-27059
Published
Feb 19, 2026
Updated
Feb 19, 2026
Vendor
PenciDesign
Product
Penci Recipe
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 19, 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=n/a <=<= 4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

PenciDesign · Penci Recipeversion=n/a <=<= 4.1

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/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 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')
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

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Your stack

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