CVE-2015-3989

Multiple cross-site scripting (XSS) vulnerabilities in concrete5 before 5.7.4 allow remote attackers to inject arbitrary web script or HTML via vectors related to private messages or other unspecified vectors.

Published: 2015-05-15 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-3989 is rated Low Risk (37.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.95%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-3989

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.26% 0.95% +0.69%
2 2026-06-14 0.24% 0.26% +0.02%
3 2026-06-13 0.24%

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-3989

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-3989

GitHub Security Advisory for CVE-2015-3989

GHSA-jxhp-rwqv-9fjj · Severity: low · Ecosystem: composer — concrete5 vulnerable to Cross-site Scripting

Affected software / configurations for CVE-2015-3989

Vendor Product Version Raw CPE
concrete5 concrete5 <= 5.7.3.1 cpe:2.3:a:concrete5:concrete5:*:*:*:*:*:*:*:*

References for CVE-2015-3989

cvelogic Threat Intelligence