Skip to content
Fencer Vulns
low 3.9

CVE-2023-36555 json

An improper neutralization of script-related html tags in a web page (basic xss) in Fortinet FortiOS 7.2.0 - 7.2.4 allows an attacker to ex…

published 2023-10-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-40502

cvss
3.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

An improper neutralization of script-related html tags in a web page (basic xss) in Fortinet FortiOS 7.2.0 - 7.2.4 allows an attacker to execute unauthorized code or commands via the SAML and Security Fabric components.

Vendor advisories

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

cisa ICSA-24-074-11 updated cvss 3.9

Siemens RUGGEDCOM APE1808 with Fortigate NGFW Devices

  • Siemens RUGGEDCOM APE1808
    affected: fixed in V7.4.1

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.9 CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L/E:U/RL:X/RC:X
CNA 3.1 3.9 CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Fortinet FortiOS

Classification

Weakness
  • CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

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.