CVE-2016-15041Public exploitNetwork attack vector

Stored XSS via unescaped purchase username

Published Oct 16, 2024 · Updated Apr 8, 2026

Stored XSS in MainWP Dashboard 3.1.2 and earlier allows remote attackers to inject scripts through a purchase-username field. The setup purchase-extension handler stores mwp_setup_purchase_username without sufficient sanitization and later renders it without output escaping. No authentication is required to submit the value, but a user must open the affected setup page for the stored script to execute in that user's browser.

CVSS severity7.2
High
EPSS probability1.26%
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 MainWP Dashboard 3.1.2 and earlier allows remote attackers to inject scripts through a purchase-username field. The setup purchase-extension handler stores mwp_setup_purchase_username without sufficient sanitization and later renders it without output escaping. No authentication is required to submit the value, but a user must open the affected setup page for the stored script to execute in that user's browser.

The record

CVE
CVE-2016-15041
Published
Oct 16, 2024
Updated
Apr 8, 2026
Vendor
MainWP
Product
MainWP Dashboard
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 16, 2024CVE 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 <3.1.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MainWP · MainWP Dashboardversion=0 <3.1.3

Published CVSS scores

7.2WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

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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