CVE-2014-3926: Cross-site scripting (XSS) vulnerability in lg.cgi in Cougar LG 1.9 allows remote attackers to inject arbitrar

Q: How do I fix CVE-2014-3926?

lg: upgrade to newer than 1.8. Exact commands for each OS are on this page.

Q: Is CVE-2014-3926 being exploited?

CVE-2014-3926 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-3926 affect?

CVE-2014-3926 affects lg. Severity is medium (CVSS 6.1). Cross-site scripting (XSS) vulnerability in lg.cgi in Cougar LG 1.9 allows remote attackers to inject arbitrary web script or HTML via the "addr" parameter.

Q: How urgent is CVE-2014-3926?

Priority 39/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2014-3926 is a medium-severity flaw (CVSS 6.1) affecting lg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in lg.cgi in Cougar LG 1.9 allows remote attackers to inject arbitrary web script or HTML via the "addr" parameter.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-03-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lg project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-03-13 16:59 UTCPublished CVE record published
2026-06-17 00:09 UTCUpdated Record last modified

lg project lg UPGRADE

Affected: <= 1.8

Fixed in: newer than 1.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lg || rpm -q lg || lg --version

2. UPGRADE to newer than 1.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lg

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lg

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-3926?

lg: upgrade to newer than 1.8. Exact commands for each OS are on this page.

Is CVE-2014-3926 being exploited?

CVE-2014-3926 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-3926 affect?

CVE-2014-3926 affects lg. Severity is medium (CVSS 6.1). Cross-site scripting (XSS) vulnerability in lg.cgi in Cougar LG 1.9 allows remote attackers to inject arbitrary web script or HTML via the "addr" parameter.

How urgent is CVE-2014-3926?

Priority 39/100. No elevated risk signals yet.

Related CVEs

CVE-2014-3930 HIGH 7.5 DOWNGRADE lg.pl in Cistron-LG 1.01 stores sensitive information under the web root with insufficient access controls, wh
CVE-2014-3929 HIGH 7.5 MITIGATE The default configuration for Cougar-LG stores sensitive information under the web root with insufficient acce
CVE-2014-3928 CRITICAL 9.8 MITIGATE Cougar-LG stores sensitive information under the web root with insufficient access control, which allows remot

References

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