Is CVE-2018-0499 in the CISA KEV catalog?

No. CVE-2018-0499 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-0499?

CVE-2018-0499 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2018-0499?

CVE-2018-0499 has an EPSS score of 1.45% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-0499?

Upgrade xapian-core on debian 11 to 1.4.6-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-0499

MEDIUMEPSS 70th pctl

6.1

CVSS v3

NVD

Description

A cross-site scripting vulnerability in queryparser/termgenerator_internal.cc in Xapian xapian-core before 1.4.6 exists due to incomplete HTML escaping by Xapian::MSet::snippet().

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

xapian-coreDebian

Fixed in:1.4.6-1CVE-2018-0499

libxapian30Ubuntu

Fixed in:1.4.5-1ubuntu0.1USN-3709-1

xapian-coreUbuntu

Fixed in:1.4.5-1ubuntu0.1USN-3709-1

xapian-toolsUbuntu

Fixed in:1.4.5-1ubuntu0.1USN-3709-1

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 RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.45%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Patch1

trac.xapian.org

Vendor Advisory1

lists.xapian.org

Third-Party Advisory1

usn.ubuntu.com

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.