CVE-2018-0499

xapian-core Cross-site Scripting vulnerability

6.1 MediumFix available

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().

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.04%Up 0.2 points since Apr 14, 2021

What each source reports

NVD Score used 6.1

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().

Record: CVE-2018-0499
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

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().

Record: CVE-2018-0499
Updated: 2026-11-02

EUVDEUVD-2022-3053 No score

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().

Record: EUVD-2022-3053
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7qw4-w7hf-22q3 6.1

xapian-core Cross-site Scripting vulnerability

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().

Record: GHSA-7qw4-w7hf-22q3
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVALPINE-CVE-2018-0499 6.1

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().

Record: ALPINE-CVE-2018-0499
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSV 6.1

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().

Record: CVE-2018-0499
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

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OSVDEBIAN-CVE-2018-0499 6.1

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().

Record: DEBIAN-CVE-2018-0499
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-7qw4-w7hf-22q3 6.1

xapian-core Cross-site Scripting vulnerability

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().

Record: GHSA-7qw4-w7hf-22q3
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-0499 6.1

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().

Record: UBUNTU-CVE-2018-0499
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVopenSUSE-SU-2024:11516-1 No score

libxapian-devel-1.4.18-1.6 on GA media

These are all security issues fixed in the libxapian-devel-1.4.18-1.6 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:11516-1
Updated: 2026-11-02

OSVUSN-3709-1 No score

xapian-core vulnerability

It was discovered that Xapian-core incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code.

Record: USN-3709-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`xapian-core` RubyGems	before 1.4.6	1.4.6
`xapian-core` Alpine:v3.22	before 1.4.6-r0	1.4.6-r0
`xapian-core` Alpine:v3.23	before 1.4.6-r0	1.4.6-r0
`xapian-core` Alpine:v3.24	before 1.4.6-r0	1.4.6-r0
`xapian-core` Debian:12	before 1.4.6-1	1.4.6-1
`xapian-core` Debian:13	before 1.4.6-1	1.4.6-1
`xapian-core` Debian:14	before 1.4.6-1	1.4.6-1
`xapian-core` RubyGems	before 1.4.6, plus listed versions 1.2.19.11.2.20.21.2.31.2.3.11.2.7.11.4.2	1.4.6
`xapian-core` Ubuntu:18.04:LTS	before 1.4.5-1ubuntu0.1, plus listed versions 1.4.4-21.4.5-1	1.4.5-1ubuntu0.1
`xapian` openSUSE:Tumbleweed	before 1.4.18-1.6	1.4.18-1.6

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-0499 is a medium vulnerability (CVSS 6.1) in Xapian Xapian-core, published July 2, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. Fixed in xapian-core 1.4.6.

References

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