How severe is CVE-2023-29455?

CVE-2023-29455 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-29455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29455?

CVE-2023-29455 affects Zabbix Frontend. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29455?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-29455 published?

CVE-2023-29455 was published on 2023-07-13 and last updated on 2026-06-17.

CVE-2023-29455

CVE-2023-29455 is a medium-severity vulnerability in Zabbix Frontend with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Zabbix Frontend
Published: 2023-07-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-29455?: 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.
How severe is CVE-2023-29455?: CVE-2023-29455 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-29455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29455?: CVE-2023-29455 affects Zabbix Frontend. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-29455 published?: CVE-2023-29455 was published on 2023-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zabbix:frontend:*:*:*:*:*:*:*:*

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