CVE-2025-2610Known exploitationPublic exploitNetwork attack vector

Authenticated stored XSS via unencoded alarm messages

Published Mar 21, 2025 · Updated Aug 28, 2026

Stored XSS in MagnusBilling 7.3.0 and earlier allows remote authenticated users to execute script in an administrator's browser via alarm messages. The alarm/save endpoint accepts a message in the rows JSON object, stores it unchanged, and alarm/read returns it without output encoding. Exploitation requires authenticated access and an administrator to view the saved alarm, enabling script execution in that administrator's session.

CVSS severity7.6
High
EPSS probability0.93%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in MagnusBilling 7.3.0 and earlier allows remote authenticated users to execute script in an administrator's browser via alarm messages. The alarm/save endpoint accepts a message in the rows JSON object, stores it unchanged, and alarm/read returns it without output encoding. Exploitation requires authenticated access and an administrator to view the saved alarm, enabling script execution in that administrator's session.

The record

CVE
CVE-2025-2610
Published
Mar 21, 2025
Updated
Aug 28, 2026
Vendor
MagnusSolution
Product
MagnusBilling
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 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=0 <=7.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

MagnusSolution · MagnusBillingversion=0 <=7.3.0

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
7.6VulnCheck CNACVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/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
Privilegesauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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