6.1

CVE-2023-29455: zabbix frontend Improper Input Validation

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2023-29455DEBIAN-CVE-2023-29455
Published 13-07-2023Last modified 03-11-2025

Vulnerability summary

CVE-2023-29455 is a medium (CVSS 6.1) Improper Input Validation vulnerability in zabbix frontend. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.9% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2

Timeline

  1. 13-07-2023
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

0.00 pp

From 0.60% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Zabbix2 products
  • frontend≥ 4.0.0, ≤ 4.0.45 | ≥ 5.0.0, ≤ 5.0.33
  • zabbix≥ 4.0.0, ≤ 4.0.45 | ≥ 5.0.0, ≤ 5.0.33
Debian1 product
  • zabbixAll versions (No fix recorded) | < 1:6.0.23+dfsg-1
Ubuntu1 product
  • zabbixAll versions (No fix recorded)

3 vendors · 4 products

References

6 links