CVE-2021-21084: adobe experience_manager Cross-site Scripting
Vulnerability summary
CVE-2021-21084 is a high (CVSS 7.3) Cross-site Scripting vulnerability in adobe experience_manager. EPSS estimates a 1.82% chance of exploitation in the next 30 days, higher than 78.3% of scored vulnerabilities.
Timeline
- 28-06-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
1.82%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.82% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Adobe2 products
- experience_manager≥ unspecified, ≤ 6.3.3.8 | ≥ unspecified, ≤ 6.4.8.3 | ≥ unspecified, ≤ 6.5.7.0 | ≥ unspecified, ≤ AEM Cloud Service | ≤ 6.3.3.8 | ≥ 6.4.0.0, < 6.4.8.4 | ≥ 6.5.0.0, < 6.5.8.0
- experience_manager_cloud_servicena
1 vendor · 2 products
References
1 links- helpx.adobe.com/security/products/experience-manager/apsb21-15.htmlX Refsource MISCRelease NotesVendor Advisory