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Fencer Vulns
medium 6.1

CVE-2020-14424 json

Cacti before 1.2.18 allows remote attackers to trigger XSS via template import for the midwinter theme.

published 2021-11-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6563

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Cacti before 1.2.18 allows remote attackers to trigger XSS via template import for the midwinter theme.

Patch / fix

  • cacti cacti 1.2.18
  • cacti Debian 14, Debian 13, Debian 12 1.2.19+ds1-1

debian advisories DEBIAN-CVE-2020-14424

  • cacti Ubuntu Pro 18.04 LTS 1.1.38+ds1-1ubuntu0.1~esm1
  • cacti Ubuntu Pro 20.04 LTS 1.2.10+ds1-1ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2020-14424

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • cacti openSUSE Tumbleweed 1.2.18-1.2
  • cacti-spine Package Hub 15 SP2 1.2.18-bp152.2.10.1
  • cacti Package Hub 15 SP2 1.2.18-bp152.2.13.1
  • cacti-spine Package Hub 15 SP3, Package Hub 12, openSUSE Leap 15.3 +1 more 1.2.18-bp153.2.3.1
  • cacti Package Hub 15 SP3, Package Hub 12, openSUSE Leap 15.3 +1 more 1.2.18-bp153.2.3.1

opensuse advisories openSUSE-SU-2024:10670-1openSUSE-SU-2021:1208-1openSUSE-SU-2021:1190-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-14424 updated cvss 5.5

cacti: lack of escaping on template import can lead to XSS

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.