CVE-2019-12939: LiveZilla Server before 8.0.1.1 is vulnerable to SQL Injection in server.php via the p_ext_rse parameter.

Q: How do I fix CVE-2019-12939?

livezilla: upgrade to 8.0.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2019-12939 being exploited?

CVE-2019-12939 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-2019-12939 affect?

CVE-2019-12939 affects livezilla. Severity is critical (CVSS 9.8). LiveZilla Server before 8.0.1.1 is vulnerable to SQL Injection in server.php via the p_ext_rse parameter.

Q: How urgent is CVE-2019-12939?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2019-12939 is a critical-severity flaw (CVSS 9.8) affecting livezilla. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LiveZilla Server before 8.0.1.1 is vulnerable to SQL Injection in server.php via the p_ext_rse parameter.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-89
Published	2019-06-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: livezilla

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

Am I affected?

Timeline

2019-06-24 16:15 UTCPublished CVE record published
2026-06-17 02:15 UTCUpdated Record last modified

livezilla livezilla UPGRADE

Affected: < 8.0.1.1

Fixed in: 8.0.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 8.0.1.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade livezilla

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-2019-12939?

livezilla: upgrade to 8.0.1.1. Exact commands for each OS are on this page.

Is CVE-2019-12939 being exploited?

CVE-2019-12939 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-2019-12939 affect?

CVE-2019-12939 affects livezilla. Severity is critical (CVSS 9.8). LiveZilla Server before 8.0.1.1 is vulnerable to SQL Injection in server.php via the p_ext_rse parameter.

How urgent is CVE-2019-12939?

Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-9758 CRITICAL 9.6 UPGRADE An issue was discovered in chat.php in LiveZilla Live Chat 8.0.1.3 (Helpdesk)
CVE-2019-12964 MEDIUM 6.1 UPGRADE LiveZilla Server before 8.0.1.1 is vulnerable to XSS in the ticket.php Subject.
CVE-2019-12963 MEDIUM 6.1 UPGRADE LiveZilla Server before 8.0.1.1 is vulnerable to XSS in the chat.php Create Ticket Action.
CVE-2019-12962 MEDIUM 6.1 UPGRADE LiveZilla Server before 8.0.1.1 is vulnerable to XSS in mobile/index.php via the Accept-Language HTTP header.
CVE-2019-12961 HIGH 8.8 UPGRADE LiveZilla Server before 8.0.1.1 is vulnerable to CSV Injection in the Export Function.

References

← Back to latest CVEs