5.3

CVE-2026-42458: openmage magento-lts

CVSS: 5.3v4.0MediumDeferred
Published 15-05-2026Last modified 15-05-2026
Open JSON

Vulnerability summary

CVE-2026-42458 is a medium (CVSS 5.3) vulnerability in openmage magento-lts. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.8% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.44%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-05-2026
    PublishedVulnerability first disclosed.
  2. 15-05-2026
    Last modifiedVulnerability information updated.

Description

Magento Long Term Support (LTS) is an unofficial, community-driven project provides an alternative to the Magento Community Edition e-commerce platform with a high level of backward compatibility. Prior to 20.18.0, there is a reflected XSS vulnerability under admin panel -> System -> Import/Export -> Dataflow - Profiles. This vulnerability is fixed in 20.18.0.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

+0.18 pp

From 0.26% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Openmage1 product

1 vendor · 1 product

References

1 links