CVE-2026-21284

HIGH

Adobe Commerce <=2.4.9-alpha3 - Stored XSS

Title source: llm
STIX 2.1

Description

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. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality, and integrity impact to high. Exploitation of this issue requires user interaction in that a victim must browse to the page containing the vulnerable field.

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0028
EPSS Percentile 51.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (4)
adobe/commerce 2.4.4 (17 CPE variants)
adobe/commerce 2.4.5 (16 CPE variants)
adobe/commerce 2.4.6 (14 CPE variants)
adobe/commerce 2.4.7 (3 CPE variants)
Published Mar 11, 2026
Tracked Since Mar 11, 2026