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CVE-2015-4631

24
FAUCET Score

CVE-2015-4631 describes multiple cross-site scripting (XSS) vulnerabilities in various versions of Koha, a library management system. These flaws allow remote attackers to inject arbitrary web script or HTML through numerous parameters across several scripts. With a CVSS score of 5.4 (Medium), successful exploitation requires user interaction and could lead to information disclosure or defacement within the user's browser session. While there is no evidence of active exploitation, a public exploit is available on ExploitDB, though community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.14.00, < 3.14.16CPE matchmatch criteria
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*
>= 3.16.00, < 3.16.12CPE matchmatch criteria
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*
>= 3.18.0, < 3.18.8CPE matchmatch criteria
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*
>= 3.20.00, < 3.20.1CPE matchmatch criteria
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.71%
Probability of exploitation in next 30 days
EPSS Percentile
88.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-37389 · Jun 26, 2015
This CVE's current EPSS score of 0.0371 is in the 99th percentile among its peer group of 15,239 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 0.1 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

Remediation records are not available for this CVE.

References

bugs.koha-community.org / bugzilla3/show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugs.koha-community.org / bugzilla3/show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugs.koha-community.org / bugzilla3/show_bug.cgi
ExploitIssue Tracking
koha-community.org / koha-3-14-16-released
ProductRelease NotesVendor Advisory
koha-community.org / security-release-koha-3-16-12
ProductRelease NotesVendor Advisory
koha-community.org / security-release-koha-3-18-8
ProductRelease NotesVendor Advisory
koha-community.org / security-release-koha-3-20-1
ProductRelease NotesVendor Advisory
packetstormsecurity.com / files/132458/Koha-ILS-3.20.x-CSRF-XSS-Traversal-SQL-Injection.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2015/Jun/80
ExploitMailing ListThird Party Advisory
exploit-db.com / exploits/37389
ExploitThird Party AdvisoryVDB Entry
sba-research.org / 2015/06/24/researchers-of-sba-research-found-several-critical-security-vulnerabilities-in-the-koha-library-software-via-combinatorial-testing
Third Party Advisory