CVE-2023-44379Network attack vector

Script execution via unescaped search query

Published Feb 22, 2024 · Updated Apr 22, 2025

Cross-site scripting in the site search feature of baserCMS 5.0.8 and earlier allows remote attackers to execute scripts via a crafted search query. The site_search_form.php and SearchIndexes/search.php templates render the q form control with escaping disabled, placing attacker-controlled query text into generated HTML without neutralization. Exploitation requires a user to open the crafted response, after which the script runs in that user's browser context.

CVSS severity6.1
Medium
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

Cross-site scripting in the site search feature of baserCMS 5.0.8 and earlier allows remote attackers to execute scripts via a crafted search query. The site_search_form.php and SearchIndexes/search.php templates render the q form control with escaping disabled, placing attacker-controlled query text into generated HTML without neutralization. Exploitation requires a user to open the crafted response, after which the script runs in that user's browser context.

The record

CVE
CVE-2023-44379
Published
Feb 22, 2024
Updated
Apr 22, 2025
Vendor
baserCMS Users Community
Product
baserCMS
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 22, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 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=< 5.0.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

baserCMS Users Community · baserCMSversion=< 5.0.9

Published CVSS scores

6.1GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1NIST NVDCVSS: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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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