CVE-2015-4639

Cross-site scripting (XSS) vulnerability in opac-addbybiblionumber.pl in Koha 3.14.x before 3.14.16, 3.16.x before 3.16.12, and 3.20.x before 3.20.1 allows remote attackers to inject arbitrary web script or HTML via a crafted list name.

Published: 2017-07-21 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-4639 is rated Moderate Risk (48.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.18%). Review affected assets and schedule remediation.

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-2015-4639

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 2025-03-30 0.13% 0.18% +0.05%
2 2025-03-29 0.18% 0.13% -0.05%
3 2025-03-17 — 0.18% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4639

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2015-4639

Affected software / configurations for CVE-2015-4639

Vendor Product Version Raw CPE
koha koha 3.14.00 cpe:2.3:a:koha:koha:3.14.00:*:*:*:*:*:*:*
koha koha 3.14.00 cpe:2.3:a:koha:koha:3.14.00:alpha1:*:*:*:*:*:*
koha koha 3.14.00 cpe:2.3:a:koha:koha:3.14.00:alpha2:*:*:*:*:*:*
koha koha 3.14.00 cpe:2.3:a:koha:koha:3.14.00:beta:*:*:*:*:*:*
koha koha 3.14.01 cpe:2.3:a:koha:koha:3.14.01:*:*:*:*:*:*:*
koha koha 3.14.02 cpe:2.3:a:koha:koha:3.14.02:*:*:*:*:*:*:*
koha koha 3.14.03 cpe:2.3:a:koha:koha:3.14.03:*:*:*:*:*:*:*
koha koha 3.14.04 cpe:2.3:a:koha:koha:3.14.04:*:*:*:*:*:*:*
koha koha 3.14.05 cpe:2.3:a:koha:koha:3.14.05:*:*:*:*:*:*:*
koha koha 3.14.06 cpe:2.3:a:koha:koha:3.14.06:*:*:*:*:*:*:*
koha koha 3.14.07 cpe:2.3:a:koha:koha:3.14.07:*:*:*:*:*:*:*
koha koha 3.14.08 cpe:2.3:a:koha:koha:3.14.08:*:*:*:*:*:*:*
koha koha 3.14.09 cpe:2.3:a:koha:koha:3.14.09:*:*:*:*:*:*:*
koha koha 3.14.10 cpe:2.3:a:koha:koha:3.14.10:*:*:*:*:*:*:*
koha koha 3.14.11 cpe:2.3:a:koha:koha:3.14.11:*:*:*:*:*:*:*
koha koha 3.14.12 cpe:2.3:a:koha:koha:3.14.12:*:*:*:*:*:*:*
koha koha 3.14.13 cpe:2.3:a:koha:koha:3.14.13:*:*:*:*:*:*:*
koha koha 3.14.14 cpe:2.3:a:koha:koha:3.14.14:*:*:*:*:*:*:*
koha koha 3.14.15 cpe:2.3:a:koha:koha:3.14.15:*:*:*:*:*:*:*
koha koha 3.16.00 cpe:2.3:a:koha:koha:3.16.00:*:*:*:*:*:*:*
koha koha 3.16.00 cpe:2.3:a:koha:koha:3.16.00:beta:*:*:*:*:*:*
koha koha 3.16.00 cpe:2.3:a:koha:koha:3.16.00:pkg:*:*:*:*:*:*
koha koha 3.16.00 cpe:2.3:a:koha:koha:3.16.00:rc:*:*:*:*:*:*
koha koha 3.16.01 cpe:2.3:a:koha:koha:3.16.01:*:*:*:*:*:*:*
koha koha 3.16.02 cpe:2.3:a:koha:koha:3.16.02:*:*:*:*:*:*:*
koha koha 3.16.03 cpe:2.3:a:koha:koha:3.16.03:*:*:*:*:*:*:*
koha koha 3.16.04 cpe:2.3:a:koha:koha:3.16.04:*:*:*:*:*:*:*
koha koha 3.16.05 cpe:2.3:a:koha:koha:3.16.05:*:*:*:*:*:*:*
koha koha 3.16.06 cpe:2.3:a:koha:koha:3.16.06:*:*:*:*:*:*:*
koha koha 3.16.07 cpe:2.3:a:koha:koha:3.16.07:*:*:*:*:*:*:*
koha koha 3.16.08 cpe:2.3:a:koha:koha:3.16.08:*:*:*:*:*:*:*
koha koha 3.16.09 cpe:2.3:a:koha:koha:3.16.09:*:*:*:*:*:*:*
koha koha 3.16.10 cpe:2.3:a:koha:koha:3.16.10:*:*:*:*:*:*:*
koha koha 3.16.11 cpe:2.3:a:koha:koha:3.16.11:*:*:*:*:*:*:*
koha koha 3.20.00 cpe:2.3:a:koha:koha:3.20.00:*:*:*:*:*:*:*
koha koha 3.20.00 cpe:2.3:a:koha:koha:3.20.00:beta:*:*:*:*:*:*

References for CVE-2015-4639

cvelogic Threat Intelligence