9

CVE-2024-31488: fortinet fortinac Cross-site Scripting

CVSS: 9.0v3.1CriticalAnalyzed
Published 14-05-2024Last modified 16-12-2025
Open JSON

Vulnerability summary

CVE-2024-31488 is a critical (CVSS 9.0) Cross-site Scripting vulnerability in fortinet fortinac. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
Critical · v3.1 (NVD)
EPSS score
1.01%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-05-2024
    PublishedVulnerability first disclosed.
  2. 16-12-2025
    Last modifiedVulnerability information updated.

Description

An improper neutralization of inputs during web page generation vulnerability [CWE-79] in FortiNAC version 9.4.0 through 9.4.4, 9.2.0 through 9.2.8, 9.1.0 through 9.1.10, 8.8.0 through 8.8.11, 8.7.0 through 8.7.6, 7.2.0 through 7.2.3 may allow a remote authenticated attacker to perform stored and reflected cross site scripting (XSS) attack via crafted HTTP requests.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.01%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.01% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.01%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet1 product
  • fortinac≥ 9.4.0, ≤ 9.4.3 | ≥ 9.2.0, ≤ 9.2.8 | ≥ 9.1.0, ≤ 9.1.10 | ≥ 8.8.0, ≤ 8.8.11 | ≥ 8.7.0, ≤ 8.7.6 | ≥ 7.2.0, ≤ 7.2.2 | ≥ 7.2.0, < 7.2.4 | ≥ 8.7.0, < 9.4.5

1 vendor · 1 product

References

1 links