CVE-2021-40711: adobe experience_manager Cross-site Scripting
Vulnerability summary
CVE-2021-40711 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in adobe experience_manager. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities.
Timeline
- 27-09-2021PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
Adobe Experience Manager version 6.5.9.0 (and earlier) is affected by a stored XSS vulnerability when creating Content Fragments. An authenticated attacker can send a malformed POST request to achieve arbitrary code execution. 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- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
1.49%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.49% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Adobe1 product
- experience_manager≥ unspecified, ≤ 6.5.9.0 | ≥ unspecified, ≤ None | ≤ 6.5.9.0
1 vendor · 1 product
References
1 links- helpx.adobe.com/security/products/experience-manager/apsb21-82.htmlX Refsource MISCPatchRelease NotesVendor Advisory