Is CVE-2015-4631 in the CISA KEV catalog?

No. CVE-2015-4631 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-4631?

CVE-2015-4631 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2015-4631?

CVE-2015-4631 has an EPSS score of 3.71% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-4631?

Upgrade koha to 3.20.1 or later.

CVE & CISA-KEV Catalog

CVE-2015-4631

MEDIUMEPSS 88th pctl

5.4

CVSS v3

NVD

Description

Multiple cross-site scripting (XSS) vulnerabilities in Koha 3.14.x before 3.14.16, 3.16.x before 3.16.12, 3.18.x before 3.18.08, and 3.20.x before 3.20.1 allow remote attackers to inject arbitrary web script or HTML via the (1) tag parameter to opac-search.pl; the (2) value parameter to authorities/authorities-home.pl; the (3) delay parameter to acqui/lateorders.pl; the (4) authtypecode or (5) tagfield to admin/auth_subfields_structure.pl; the (6) tagfield parameter to admin/marc_subfields_structure.pl; the (7) limit parameter to catalogue/search.pl; the (8) bookseller_filter, (9) callnumber_filter, (10) EAN_filter, (11) ISSN_filter, (12) publisher_filter, or (13) title_filter parameter to serials/serials-search.pl; or the (14) author, (15) collectiontitle, (16) copyrightdate, (17) isbn, (18) manageddate_from, (19) manageddate_to, (20) publishercode, (21) suggesteddate_from, or (22) suggesteddate_to parameter to suggestion/suggestion.pl; or the (23) direction, (24) display or (25) addshelf parameter to opac-shelves.pl.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

kohaNVD

Affected:>= 3.20.00, < 3.20.1Fixed in:3.20.1CVE-2015-4631derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

3.71%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Exploit6

Vendor Advisory4

Third-Party Advisory1

sba-research.org

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.