CVE-2026-21290HIGH 8.7EPSS p35.8%
CVE-2026-21290CVE-2026-21290
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 low-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.
Scoring
| CVSS 3.1 | 8.7 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N |
| EPSS | 0.45% probability of exploitation · percentile 35.8% · 2026-06-19T12:03:05Z |
| Published | 2026-03-11 |
| Last modified | 2026-03-11 |
Underlying weaknesses· 1
References
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-79 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.