CVE-2018-14950

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href="...

6.1 MediumFix available

CVE-2018-14950 is a medium vulnerability (CVSS 6.1) in Squirrelmail, published August 5, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.43%, the 73rd percentile. Fixed in squirrelmail 1.4.22-16.2.mga6.

Severity: 6.1 MediumCVSS 3.0, NVD
Exploit chance: 1.43%EPSS, 73rd percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: 1.4.22-16.2.mga6squirrelmail +3 more

Description

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.

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

1.43%Up 0.2 points since Apr 14, 2021

Affected products

squirrelmail

Affected packages

Affected packages
Package	Affected	Fixed
`squirrelmail` Debian:8 From an advisory covering 6 CVEs	before 2:1.4.23~svn20120406-2+deb8u3, plus listed versions 2:1.4.23~svn20120406-22:1.4.23~svn20120406-2+deb8u12:1.4.23~svn20120406-2+deb8u2	2:1.4.23~svn20120406-2+deb8u3
`squirrelmail` Mageia:6	before 1.4.22-16.2.mga6	1.4.22-16.2.mga6
`squirrelmail` Ubuntu:14.04:LTS	before 2:1.4.23~svn20120406-2+deb8u3build0.14.04.1, plus listed versions 2:1.4.23~svn20120406-22:1.4.23~svn20120406-2+deb8u1build0.14.04.12:1.4.23~svn20120406-2+deb8u2build0.14.04.1	2:1.4.23~svn20120406-2+deb8u3build0.14.04.1
`squirrelmail` Ubuntu:16.04:LTS	before 2:1.4.23~svn20120406-2+deb8u3ubuntu0.16.04.1, plus listed versions 2:1.4.23~svn20120406-22:1.4.23~svn20120406-2ubuntu12:1.4.23~svn20120406-2ubuntu1.16.04.12:1.4.23~svn20120406-2+deb8u1ubuntu0.16.04.12:1.4.23~svn20120406-2+deb8u2build0.16.04.12:1.4.23~svn20120406-2+deb8u2ubuntu0.16.04.22:1.4.23~svn20120406-2+deb8u2ubuntu0.16.04.3	2:1.4.23~svn20120406-2+deb8u3ubuntu0.16.04.1

What each source reports

NVD Score used6.1

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.

Record: CVE-2018-14950
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 ListNo score

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.

Record: CVE-2018-14950
Updated: 2026-11-02

EUVDEUVD-2018-6832No score

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.

Record: EUVD-2018-6832
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mvw5-m8g2-v5cp6.1

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href="...

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.

Record: GHSA-mvw5-m8g2-v5cp
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-2018-149506.1

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.

Record: UBUNTU-CVE-2018-14950
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

OSVMGASA-2019-0136No score

Updated squirrelmail packages fix security vulnerability

Updated squirellmail packages to fix a XSS-security issue.

Record: MGASA-2019-0136
Updated: 2026-11-02

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
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.

References

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