CVE-2023-25292Public exploitNetwork attack vector

Session data theft via reflected cookie script

Published Apr 27, 2023 · Updated Jul 9, 2026

Reflected XSS in Intermesh Group-Office 6.6.145 allows remote attackers to steal session data through the GO_LANGUAGE cookie. The application returns the cookie value in a web response without neutralizing embedded script, causing attacker-supplied JavaScript to execute in the site's browser context. A user must load a response containing the crafted cookie, enabling cookie and personal-data theft or actions with the victim's privileges.

CVSS severity6.1
Medium
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Intermesh Group-Office 6.6.145 allows remote attackers to steal session data through the GO_LANGUAGE cookie. The application returns the cookie value in a web response without neutralizing embedded script, causing attacker-supplied JavaScript to execute in the site's browser context. A user must load a response containing the crafted cookie, enabling cookie and personal-data theft or actions with the victim's privileges.

The record

CVE
CVE-2023-25292
Published
Apr 27, 2023
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1539
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1CISA-ADPCVSS: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')
T1539Steal Web Session Cookie

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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