XSS in Adobe Experience Manager
CVE-2021-21084
AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an 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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.018 (78.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Adobe Experience Manager — versions unspecified
- Adobe Experience Manager
- Adobe Experience Manager Cloud Service
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/experience-manager/apsb21-15.html (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-21084?
- CVE-2021-21084 is a high-severity vulnerability in Adobe Experience Manager, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2021-06-28.
- How severe is CVE-2021-21084?
- High severity. CVSS v3 base score is 7.3 out of 10.