XSS in Alkacon Opencms

CVE-2018-8815

Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS 10.5.3 allows remote attackers to inject arbitrary web script or HTML via a malicious SVG image.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-8815: held from 0.013 to 0.013.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-8815?
CVE-2018-8815 is a medium-severity vulnerability in Alkacon Opencms, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2018-03-20.
How severe is CVE-2018-8815?
Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2018-8815 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.