CVE-2025-41349Network attack vector

Session cookie theft via stored descripcion script

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 via crafted descripcion input. The savesolpla_post JSON endpoint stores the descripcion parameter without proper validation, allowing attacker-supplied script content to execute when rendered. Exploitation requires low-privileged access to submit the value and an authenticated user to view the stored content, exposing that user's session cookie.

CVSS severity5.1
Medium
EPSS probability0.35%
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 via crafted descripcion input. The savesolpla_post JSON endpoint stores the descripcion parameter without proper validation, allowing attacker-supplied script content to execute when rendered. Exploitation requires low-privileged access to submit the value and an authenticated user to view the stored content, exposing that user's session cookie.

The record

CVE
CVE-2025-41349
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.

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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')
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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