CVE-2025-54542

Credential disclosure via GET-based login submission

Published Aug 28, 2025 · Updated Aug 28, 2025

Sensitive-data exposure in OpenSolution Quick.Cms 6.8 allows local users to read login credentials from browser history. The administration login form submits the email address and password as a GET query string, causing the credential-bearing URL to be retained in browser history. Access to the victim's local browser history is required, and the recovered credentials grant access to the corresponding account.

CVSS severity6.9
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive-data exposure in OpenSolution Quick.Cms 6.8 allows local users to read login credentials from browser history. The administration login form submits the email address and password as a GET query string, causing the credential-bearing URL to be retained in browser history. Access to the victim's local browser history is required, and the recovered credentials grant access to the corresponding account.

The record

CVE
CVE-2025-54542
Published
Aug 28, 2025
Updated
Aug 28, 2025
Vendor
OpenSolution
Product
Quick.Cms
Classifications
CWE-598, T1552.001
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 28, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 2025Record 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=6.8

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

OpenSolution · Quick.Cmsversion=6.8

Published CVSS scores

6.9CERT.PLCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
5.5NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-598Use of GET Request Method With Sensitive Query Strings
T1552.001Unsecured Credentials: Credentials In Files

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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