Is CVE-2023-29455 in the CISA KEV catalog?

No. CVE-2023-29455 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-29455?

CVE-2023-29455 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2023-29455?

CVE-2023-29455 has an EPSS score of 0.56% (42th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-29455?

Upgrade zabbix on debian 11 to 1:5.0.44+dfsg-1+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2023-29455

MEDIUM

5.4

CVSS v3

NVD

Description

Reflected XSS attacks, also known as non-persistent attacks, occur when a malicious script is reflected off a web application to the victim's browser. The script is activated through a link, which sends a request to a website with a vulnerability that enables execution of malicious scripts.

CWE-20Improper Input Validation CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

zabbixDebian

Fixed in:1:5.0.44+dfsg-1+deb11u1CVE-2023-29455

Fixed in:1:6.0.23+dfsg-1CVE-2023-29455

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

0.56%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Patch1

support.zabbix.com

Other references2

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

Embed a live status badge for CVE-2023-29455

Markdown

[![CVE-2023-29455](https://tridentstack.com/cve/badge/CVE-2023-29455.svg)](https://tridentstack.com/cve/CVE-2023-29455)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-29455"><img src="https://tridentstack.com/cve/badge/CVE-2023-29455.svg" alt="CVE-2023-29455"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.