CVE-2018-8815 : Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon Open

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.

Published 2018-03-20 07:29:00

Updated 2018-04-13 16:44:24

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2018-8815

Alkacon » Opencms » Version: 10.5.3
cpe:2.3:a:alkacon:opencms:10.5.3:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-8815

Top countries where our scanners detected CVE-2018-8815

Top open port discovered on systems with this issue 443

IPs affected by CVE-2018-8815 5

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-8815!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-8815

EPSS FAQ

0.19%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 38 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-8815

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.6	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N	2.1	2.5	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Unchanged Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2018-8815

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-8815

https://github.com/alkacon/opencms-core/issues/587

Stored Cross Site Scripting via SVG image upload in Gallery Functionality · Issue #587 · alkacon/opencms-core · GitHub
Exploit;Third Party Advisory
https://www.exploit-db.com/exploits/44392/

OpenCMS 10.5.3 - Cross-Site Scripting
Exploit;Third Party Advisory;VDB Entry