How severe is CVE-2021-45895?

CVE-2021-45895 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-45895 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45895?

CVE-2021-45895 affects Netgen Tags Bundle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45895?

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

When was CVE-2021-45895 published?

CVE-2021-45895 was published on 2021-12-27 and last updated on 2026-06-17.

CVE-2021-45895

CVE-2021-45895 is a medium-severity vulnerability in Netgen Tags Bundle with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Netgen Tags Bundle
Published: 2021-12-27
Last modified: 2026-06-17

Description

Netgen Tags Bundle 3.4.x before 3.4.11 and 4.0.x before 4.0.15 allows XSS in the Tags Admin interface.

Frequently asked questions

What is CVE-2021-45895?: Netgen Tags Bundle 3.4.x before 3.4.11 and 4.0.x before 4.0.15 allows XSS in the Tags Admin interface.
How severe is CVE-2021-45895?: CVE-2021-45895 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-45895 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45895?: CVE-2021-45895 affects Netgen Tags Bundle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45895?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45895 published?: CVE-2021-45895 was published on 2021-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:netgen:tags_bundle:*:*:*:*:*:*:*:*

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