How severe is CVE-2025-12453?

CVE-2025-12453 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-2025-12453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12453?

CVE-2025-12453 affects Opentext Vertica. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12453?

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

Does CVE-2025-12453 have an EU (EUVD) identifier?

Yes. CVE-2025-12453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208641.

When was CVE-2025-12453 published?

CVE-2025-12453 was published on 2026-03-13 and last updated on 2026-06-17.

CVE-2025-12453

CVE-2025-12453 is a medium-severity vulnerability in Opentext Vertica 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 v4: 5.1
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208641
Weakness: CWE-79
Affected product: Opentext Vertica
Published: 2026-03-13
Last modified: 2026-06-17

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in OpenText™ Vertica allows Reflected XSS. The vulnerability could lead to Reflected XSS attack of cross-site scripting in Vertica management console application.This issue affects Vertica: from 10.0 through 10.X, from 11.0 through 11.X, from 12.0 through 12.X, from 23.0 through 23.X, from 24.0 through 24.X, from 25.1.0 through 25.1.X, from 25.2.0 through 25.2.X, from 25.3.0 through 25.3.X.

Frequently asked questions

What is CVE-2025-12453?: Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in OpenText™ Vertica allows Reflected XSS. The vulnerability could lead to Reflected XSS attack of cross-site scripting in Vertica management console application.This issue affects Vertica: from 10.0 through 10.X, from 11.0 through 11.X, from 12.0 through 12.X, from 23.0 through 23.X, from 24.0 through 24.X, from 25.1.0 through 25.1.X, from 25.2.0 through 25.2.X, from 25.3.0 through 25.3.X.
How severe is CVE-2025-12453?: CVE-2025-12453 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-2025-12453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12453?: CVE-2025-12453 affects Opentext Vertica. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12453 have an EU (EUVD) identifier?: Yes. CVE-2025-12453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208641.
When was CVE-2025-12453 published?: CVE-2025-12453 was published on 2026-03-13 and last updated on 2026-06-17.

References

https://portal.microfocus.com/s/article/KM000045852?language=en_US

Affected products (1)

cpe:2.3:a:opentext:vertica:*:*:*:*:*:*:*:*

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