What is CVE-2019-6777?

CVE-2019-6777 is a medium-severity vulnerability in Zoneminder, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-24.

How severe is CVE-2019-6777?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2019-6777 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Zoneminder

CVE-2019-6777

An issue was discovered in ZoneMinder v1.32.3. Reflected XSS exists in web/skins/classic/views/plugin.php via the zm/index.php?view=plugin pl parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-01-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Zoneminder — versions 1.32.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

github.com/ZoneMinder/zoneminder/issues/2436 (Exploit, Third Party Advisory, Issue Tracking)
github.com/mnoorenberghe/ZoneMinder/commit/59cc65411f02c7e39a270fda3ecb4966d7b4… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-6777?: CVE-2019-6777 is a medium-severity vulnerability in Zoneminder, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-24.
How severe is CVE-2019-6777?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-6777 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.