CVE-2026-27248: Adobe Experience Manager as a Cloud Service · Cross-site Scripting
Affects Adobe Experience Manager as a Cloud ServiceSource CVE Database V5
Not known to be exploited · CVSS 5.4 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 11 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AdobeAdobe Experience Manager as a Cloud Service | Affected
| Fixed in– |
| AdobeAdobe Experience Manager 6.5 LTS | Affected
| Fixed in– |
| AdobeAdobe Experience Manager 6.5 | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2026-27248, organizations should implement the following specific measures: 1) Monitor Adobe's official channels closely and apply security patches immediately once released for AEM versions 6.5.23 and earlier. 2) In the interim, enforce strict input validation and sanitization on all form fields within AEM to prevent injection of malicious scripts, using server-side validation and encoding outputs. 3) Deploy a robust Content Security Policy (CSP) to restrict execution of unauthorized scripts and reduce the impact of injected code. 4) Limit the number of users with permissions to submit or edit content in vulnerable forms, applying the principle of least privilege. 5) Conduct regular security audits and penetration testing focused on web application inputs and stored content. 6) Educate users about the risks of clicking on suspicious links and visiting untrusted pages to reduce successful exploitation via user interaction. 7) Use web application firewalls (WAFs) with custom rules to detect and block common XSS payloads targeting AEM. 8) Monitor logs and network traffic for unusual activity indicative of exploitation attempts. These targeted actions go beyond generic advice and address the specific nature of stored XSS in AEM environments.
Description
Adobe Experience Manager versions 6.5.23 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.