XSS in F5 Big-Ip

CVE-2025-24320

A stored cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to run JavaScript in the context of the currently logged-in user. This vulnerability is due to an incomplete fix for CVE-2024-31156 https://my.f5.com/manage/s/article/K000138636 .  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (37.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-24320: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-24320?
CVE-2025-24320 is a high-severity vulnerability in F5 Big-Ip, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2025-02-05.
How severe is CVE-2025-24320?
High severity. CVSS v3 base score is 8.0 out of 10.