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Frontend CVE-2023-29454

MEDIUM
Improper Input Validation (CWE-20)
2023-07-13 security@zabbix.com
5.4
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

Stored or persistent cross-site scripting (XSS) is a type of XSS where the attacker first sends the payload to the web application, then the application saves the payload (e.g., in a database or. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-20. Stored or persistent cross-site scripting (XSS) is a type of XSS where the attacker first sends the payload to the web application, then the application saves the payload (e.g., in a database or server-side text files), and finally, the application unintentionally executes the payload for every victim visiting its web pages. Affected products include: Zabbix Frontend.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

Stored or persistent cross-site scripting (XSS) is a type of XSS where the attacker first sends the payload to the web application, then the application saves the payload (e.g., in a database or server-side text files), and finally, the application unintentionally executes the payload for every victim visiting its web pages.

Threat Intelligence Overview

EPSS Score
0.5%
Top 62% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +27
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:zabbix:frontend:*:*:*:*:*:*:*:*
cpe:2.3:a:zabbix:frontend:*:*:*:*:*:*:*:*
cpe:2.3:a:zabbix:frontend:*:*:*:*:*:*:*:*
CVE-2022-43515 CRITICAL POC
9.8 Dec 05

Zabbix Frontend provides a feature that allows admins to maintain the installation and ensure that only certain IP addre

CVE-2023-32725 HIGH
8.8 Dec 18

The website configured in the URL widget will receive a session cookie when testing or executing scheduled reports. Rate

CVE-2025-27232 MEDIUM
6.8 Dec 01

Arbitrary file read in Zabbix Frontend 7.4.0 through 7.4.2 allows an authenticated Super Admin to exploit the oauth.auth

CVE-2023-30958 MEDIUM
6.1 Aug 03

A security defect was identified in Foundry Frontend that enabled users to potentially conduct DOM XSS attacks if Foundr

CVE-2023-29457 MEDIUM
6.1 Jul 13

Reflected XSS attacks, occur when a malicious script is reflected off a web application to the victim's browser. Rated m

CVE-2023-29455 MEDIUM
6.1 Jul 13

Reflected XSS attacks, also known as non-persistent attacks, occur when a malicious script is reflected off a web applic

CVE-2025-49643 MEDIUM
6.0 Dec 01

Denial of service in the Zabbix web frontend allows an authenticated user - including the built-in Guest account when Gu

CVE-2023-29456 MEDIUM
5.4 Jul 13

URL validation scheme receives input from a user and then parses it to identify its various components. Rated medium sev

CVE-2022-24919 MEDIUM
4.4 Mar 09

An authenticated user can create a link with reflected Javascript code inside it for graphs’ page and send it to other u

CVE-2022-24918 MEDIUM
4.4 Mar 09

An authenticated user can create a link with reflected Javascript code inside it for items’ page and send it to other us

CVE-2022-24917 MEDIUM
4.4 Mar 09

An authenticated user can create a link with reflected Javascript code inside it for services’ page and send it to other

CVE-2022-24349 MEDIUM
4.4 Mar 09

An authenticated user can create a link with reflected XSS payload for actions’ pages, and send it to other users. Rated

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