What is CVE-2018-4931?

CVE-2018-4931 is a medium-severity vulnerability in Adobe Experience Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-19.

How severe is CVE-2018-4931?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Adobe Experience Manager

CVE-2018-4931

Adobe Experience Manager versions 6.1 and earlier have an exploitable stored cross-site scripting vulnerability. Successful exploitation could lead to sensitive information disclosure.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-05-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.023 (82.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.023 · change: -0.001

Affected products

Adobe Experience Manager
Adobe Experience Manager Aem 6.1 And Earlier — versions Adobe Experience Manager AEM 6.1 and earlier

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/103709 (VDB Entry, Third Party Advisory, vdb-entry)
helpx.adobe.com/security/products/experience-manager/apsb18-10.html (Vendor Advisory)

Frequently asked questions

What is CVE-2018-4931?: CVE-2018-4931 is a medium-severity vulnerability in Adobe Experience Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-19.
How severe is CVE-2018-4931?: Medium severity. CVSS v3 base score is 6.1 out of 10.