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Fencer Vulns
medium 5.4

CVE-2020-9584 json

Magento Stored cross-site scripting

published 2020-06-26 6 y ago modified 2026-09-08 2 mo ago also BIT-magento-2020-9584 , EUVD-2022-2307 , GHSA-45h4-6gcj-6hwv

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have a stored cross-site scripting vulnerability. Successful exploitation could lead to sensitive information disclosure.

Patch / fix

  • packagist magento/community-edition 2.2.12, 2.3.4-p2
  • packagist magento/core 1.9.4.5
  • bitnami magento 2.2.12, 2.3.5

Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
OSV 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist magento/community-edition
>=2.3.0, <2.3.4-p2
<2.2.12
2.3.4-p2
2.2.12
packagist magento/core
<1.9.4.5
1.9.4.5
packagist magento/project-community-edition
<=2.0.2
no fix listed
bitnami magento
>=2.2.0, <2.2.12
>=2.3.0, <2.3.5
2.2.12
2.3.5

Affected products

  • Adobe Magento

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.