How severe is CVE-2018-18247?

CVE-2018-18247 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 user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-18247 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-2018-18247?

CVE-2018-18247 affects Icinga Icinga Web 2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18247?

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

When was CVE-2018-18247 published?

CVE-2018-18247 was published on 2018-12-17 and last updated on 2026-06-17.

CVE-2018-18247

CVE-2018-18247 is a medium-severity vulnerability in Icinga Icinga Web 2 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)
CVSS v2: 3.5
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Icinga Icinga Web 2
Published: 2018-12-17
Last modified: 2026-06-17

Description

Icinga Web 2 before 2.6.2 has XSS via the /icingaweb2/navigation/add icon parameter.

Frequently asked questions

What is CVE-2018-18247?: Icinga Web 2 before 2.6.2 has XSS via the /icingaweb2/navigation/add icon parameter.
How severe is CVE-2018-18247?: CVE-2018-18247 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 user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-18247 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-2018-18247?: CVE-2018-18247 affects Icinga Icinga Web 2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18247 published?: CVE-2018-18247 was published on 2018-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:icinga:icinga_web_2:*:*:*:*:*:*:*:*

More vulnerabilities in Icinga Icinga Web 2

CVE-2018-18249 — Critical (CVSS 9.8): Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as…
CVE-2022-24715 — High (CVSS 8.5): Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Authenticated users,…
CVE-2025-27405 — High (CVSS 7.6): Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. A vulnerability in…
CVE-2025-27404 — High (CVSS 7.6): Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. A vulnerability in…
CVE-2022-24716 — High (CVSS 7.5): Icinga Web 2 is an open source monitoring web interface, framework and command-line interface. Unauthenticated users…
CVE-2020-24368 — High (CVSS 7.5): Icinga Icinga Web2 2.0.0 through 2.6.4, 2.7.4 and 2.8.2 has a Directory Traversal vulnerability which allows an…

All CVEs affecting Icinga Icinga Web 2 →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →