CVE-2025-41350Network attack vector

Session cookie theft via stored script injection

Published Nov 18, 2025 · Updated Feb 18, 2026

Stored XSS in Informática del Este WinPlus 24.11.27 allows remote authenticated users to steal session cookies through crafted data. The savesoldoc_post service stores the descripcion POST parameter without proper validation, allowing injected script to run in an authenticated user’s browser. Exploitation requires low-privileged access to submit content and an authenticated user to view it; the reported consequence is session-cookie disclosure.

CVSS severity5.1
Medium
EPSS probability0.28%
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 Informática del Este WinPlus 24.11.27 allows remote authenticated users to steal session cookies through crafted data. The savesoldoc_post service stores the descripcion POST parameter without proper validation, allowing injected script to run in an authenticated user’s browser. Exploitation requires low-privileged access to submit content and an authenticated user to view it; the reported consequence is session-cookie disclosure.

The record

CVE
CVE-2025-41350
Published
Nov 18, 2025
Updated
Feb 18, 2026
Vendor
Informática del Este
Product
WinPlus
Classifications
CWE-79, T1539
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 18, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 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=24.11.27

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Informática del Este · WinPlusversion=24.11.27

Published CVSS scores

5.1INCIBECVSS: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')
T1539Steal Web Session Cookie

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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