CVE-2025-22373Network attack vector

Reflected XSS via unneutralized query-string markup

Published Apr 14, 2025 · Updated Apr 15, 2025

Reflected XSS in the BASEC login page from 14 December 2021 allows remote attackers to inject HTML and CSS through query strings. The login page renders attacker-controlled query-string content as HTML without neutralizing markup; no affected parameter or server-side function is public. No authentication is required, but passive user interaction is needed for the injected content to affect a browser session.

CVSS severity8.7
High
EPSS probability0.47%
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 the BASEC login page from 14 December 2021 allows remote attackers to inject HTML and CSS through query strings. The login page renders attacker-controlled query-string content as HTML without neutralizing markup; no affected parameter or server-side function is public. No authentication is required, but passive user interaction is needed for the injected content to affect a browser session.

The record

CVE
CVE-2025-22373
Published
Apr 14, 2025
Updated
Apr 15, 2025
Vendor
SicommNet
Product
BASEC
Classifications
CWE-79, CAPEC-32, CAPEC-591, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 14, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 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=14 Dec 2021 <=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SicommNet · BASECversion=14 Dec 2021 <=*

Published CVSS scores

8.7Dutch Institute for Vulnerability DisclosureCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/AU:Y/V:C

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-32XSS Through HTTP Query Strings
CAPEC-591Reflected XSS
T1189Drive-by Compromise

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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