CVE-2018-20726: cacti
Vulnerability summary
CVE-2018-20726 is a medium (CVSS 5.4) vulnerability in cacti. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 64.4% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 16-01-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A cross-site scripting (XSS) vulnerability exists in host.php (via tree.php) in Cacti before 1.2.0 due to lack of escaping of unintended characters in the Website Hostname field for Devices.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
1.05%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.05% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundCacti
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.
Cacti1 product
- cacti< 1.2.0
Debian1 product
- cacti< 1.2.1+ds1-1
Ubuntu1 product
- cactiAll versions (No fix recorded)
3 vendors · 3 products
References
10 links- github.com/Cacti/cacti/commit/80c2a88fb2afb93f87703ba4641f9970478c102dX Refsource MISCPatchThird Party AdvisoryREPORT
- github.com/Cacti/cacti/blob/develop/CHANGELOGX Refsource MISCRelease NotesThird Party AdvisoryREPORT