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CVE-2015-3989

14
FAUCET Score

CVE-2015-3989 describes multiple cross-site scripting (XSS) vulnerabilities affecting concrete5 versions prior to 5.7.4. These flaws allow remote attackers to inject arbitrary web script or HTML, primarily through vectors related to private messages. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial integrity impact, with no authentication required for exploitation. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.7.3.1CPE matchmatch criteria
cpe:2.3:a:concrete5:concrete5:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 16th percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: concrete5/concrete5Fixed in: 5.7.4

Vendor Advisories (1)

composerGHSA-jxhp-rwqv-9fjjlow

concrete5 vulnerable to Cross-site Scripting

May 17, 2022

References

concrete5.org / documentation/developers/5.7/background/version-history/5-7-4-release-notes
PatchVendor Advisory
securityfocus.com / bid/74699