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Fencer Intel
medium 4.8

CVE-2018-20724 json

A cross-site scripting (XSS) vulnerability exists in pollers.php in Cacti before 1.2.0 due to lack of escaping of unintended characters in…

published 7y ago modified 4mo ago also EUVD-2018-13269

cvss
4.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

A cross-site scripting (XSS) vulnerability exists in pollers.php in Cacti before 1.2.0 due to lack of escaping of unintended characters in the Website Hostname for Data Collectors.

Patch / fix

  • cacti cacti 1.2.0
  • cacti Debian 14, Debian 13, Debian 12 1.2.1+ds1-1

debian advisories DEBIAN-CVE-2018-20724

  • cacti openSUSE Tumbleweed 1.2.18-1.2
  • cacti-spine Package Hub 15 SP1 1.2.11-bp151.4.6.1
  • cacti Package Hub 15 SP1 1.2.11-bp151.4.6.1
  • cacti-spine Package Hub 12, openSUSE Leap 15.1 1.2.11-2.1
  • cacti Package Hub 12, openSUSE Leap 15.1 1.2.11-5.1
  • cacti-spine Package Hub 15 SP1 1.2.9-bp151.4.3.1
  • cacti Package Hub 15 SP1 1.2.9-bp151.4.3.1
  • cacti-spine openSUSE Leap 15.1 1.2.9-lp151.3.3.1

opensuse advisories openSUSE-SU-2024:10670-1openSUSE-SU-2020:0565-1openSUSE-SU-2020:0558-1openSUSE-SU-2020:0284-1openSUSE-SU-2020:0272-1

Is CVE-2018-20724 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2018-20724 updated cvss 6.1

cacti: Multiple cross-site scripting vulnerabilities fixed in 1.2.0 version

  • 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

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/Cacti/cacti/issues/2212 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 4.8 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

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

References

Sources

Fencer Intel 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.