Multiple Page Generator Plugin – MPG < 4.1.8 - Reflected XSS via mpg_shortcode

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-13726
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-27 07:16:25 UTC
Updated2026-07-27 20:33:01 UTC
DescriptionThe MPG WordPress plugin before 4.1.8 does not sanitise and escape a parameter before reflecting it back in the response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting against a victim who is induced to send a crafted request.

Risk And Classification

Primary CVSS: v3.1 7.1 HIGH from ADP

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

EPSS: 0.001640000 probability, percentile 0.059820000 (date 2026-07-29)

Problem Types: CWE-79 | CWE-79 Cross-Site Scripting (XSS) | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown MPG affected 4.1.8 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/4f97b6c6-c05b-4ea5-987d-d289b89cdea8 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: João Ramos Maciel (en)

CNA: WPScan (en)

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