CVE-2025-41391Network attack vector

Browser script execution via stored malicious content

Published Jul 31, 2025 · Updated Jul 31, 2025

Stored XSS in Alfasado PowerCMS 4.6 and earlier, 5.3 and earlier, and 6.7 and earlier allows remote authenticated users to run browser script. Public advisories do not identify the stored field or rendering path that fails to neutralize attacker-controlled content. Exploitation requires one product user to store the payload and another product user to open the malicious page; execution is confined to the victim's browser context.

CVSS severity5.1
Medium
EPSS probability0.18%
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 Alfasado PowerCMS 4.6 and earlier, 5.3 and earlier, and 6.7 and earlier allows remote authenticated users to run browser script. Public advisories do not identify the stored field or rendering path that fails to neutralize attacker-controlled content. Exploitation requires one product user to store the payload and another product user to open the malicious page; execution is confined to the victim's browser context.

The record

CVE
CVE-2025-41391
Published
Jul 31, 2025
Updated
Jul 31, 2025
Vendor
Alfasado Inc.
Product
PowerCMS
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 31, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 31, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=4.6 and earlier (PowerCMS 4.x series)
  2. Affected versionversion=5.3 and earlier (PowerCMS 5.x series)
  3. Affected versionversion=6.7 and earlier (PowerCMS 6.x series)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Alfasado Inc. · PowerCMSversion=4.6 and earlier (PowerCMS 4.x series); version=5.3 and earlier (PowerCMS 5.x series); version=6.7 and earlier (PowerCMS 6.x series)

Published CVSS scores

5.4JPCERT/CCCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.1JPCERT/CCCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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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