CVE-2021-21029

lowpriority · attend · 49EPSS 0.846 · 100 %ileEURUUS
grimoire priorityP1 · Urgent
Exploitable?
—
no known exploitation
Likely / severe?
84.6% (100th) EPSS
CVSS 3.5 · low
Is it mine?
18 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by a Reflected Cross-site Scripting vulnerability via 'file' parameter. Successful exploitation could lead to arbitrary JavaScript execution in the victim's browser. Access to the admin console is required for successful exploitation.

01

cvss

Technical severity, 0–10. One row per scoring source.

4.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–4.8

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9
v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.7 · impact 2.7
v3.14.8mediumAV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU
v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU
v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nsecondary · psirt@adobe.comexploitability 1.7 · impact 2.7
v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV
v3.14.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:Hsecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (18)

Products and version ranges known to be affected.

04

advisories (2)

Vendor and ecosystem advisories describing this.

  • GHSA-jwxh-wj79-ccm6Magento Reflected Cross-site Scripting vulnerability via 'file' parameter2022-05-24ghsa · osvUS

    Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by a Reflected Cross-site Scripting vulnerability via 'file' parameter. Successful exploitation could lead to arbitrary JavaScript execution in the victim's browser. Access to the admin console is required for successful exploitation.

  • BIT-magento-2021-21029Magento Commerce Reflected Cross-site Scripting Vulnerability Could Lead To Arbitrary JavaScript Execution2024-03-06vendor · osvUS

    Magento versions 2.4.1 (and earlier), 2.4.0 (and earlier) and 2.3.6 (and earlier) are affected by a Reflected Cross-site Scripting vulnerability via 'file' parameter. Successful exploitation could lead to arbitrary JavaScript execution in the victim's browser. Access to the admin console is required for successful exploitation.

05

also known as (6)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2021-02-11modified 2026-06-17
07

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan