How severe is CVE-2023-34637?

CVE-2023-34637 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-2023-34637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34637?

CVE-2023-34637 affects Isarnet Isarflow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34637?

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

When was CVE-2023-34637 published?

CVE-2023-34637 was published on 2023-09-05 and last updated on 2026-06-17.

CVE-2023-34637

CVE-2023-34637 is a medium-severity vulnerability in Isarnet Isarflow 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: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Isarnet Isarflow
Published: 2023-09-05
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability in IsarNet AG IsarFlow v5.23 allows authenticated attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the dashboard title parameter in the IsarFlow Portal.

Frequently asked questions

What is CVE-2023-34637?: A stored cross-site scripting (XSS) vulnerability in IsarNet AG IsarFlow v5.23 allows authenticated attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the dashboard title parameter in the IsarFlow Portal.
How severe is CVE-2023-34637?: CVE-2023-34637 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-2023-34637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34637?: CVE-2023-34637 affects Isarnet Isarflow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-34637 published?: CVE-2023-34637 was published on 2023-09-05 and last updated on 2026-06-17.

References

https://www.mgm-sp.com/en/isarflow-xss-vulnerability/

Affected products (1)

cpe:2.3:a:isarnet:isarflow:*:*:*:*:*:*:*:*

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 →