CVE-2026-21291CWE-79cross-site-scripting

CVE-2026-21291

Medium · published March 11, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
18.5
In the wild
Unconfirmed
What it is

Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious scripts into vulnerable form fields. Exploitation of this issue requires user interaction in that a victim must browse to the page containing the vulnerable field.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00272 · 18.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-03-11T07:15Z
Affected products (183)
ProductVersionsFixed in
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References (1)
EPSS history
Timeline
  • 11 MAR 02:19Z
    Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
    cvelistv5