Is CVE-2025-12453 in the CISA KEV catalog?

No. CVE-2025-12453 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-12453?

CVE-2025-12453 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2025-12453?

CVE-2025-12453 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12453?

Upgrade vertica to 25.4.0-0 or later.

CVE & CISA-KEV Catalog

CVE-2025-12453

MEDIUM

6.1

CVSS v3

NVD

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.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

verticaNVD

Affected:>= 10.0.0-0, < 25.4.0-0Fixed in:25.4.0-0CVE-2025-12453derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Vendor Advisory1

portal.microfocus.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

Embed a live status badge for CVE-2025-12453

Markdown

[![CVE-2025-12453](https://tridentstack.com/cve/badge/CVE-2025-12453.svg)](https://tridentstack.com/cve/CVE-2025-12453)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-12453"><img src="https://tridentstack.com/cve/badge/CVE-2025-12453.svg" alt="CVE-2025-12453"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-17.