SSRF in Php

CVE-2025-1220

In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 some functions like fsockopen() lack validation that the hostname supplied does not contain null characters. This may lead to other functions like parse_url() treat the hostname in different way, thus opening way to security problems if the user code implements access checks before access using such functions.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.005 (40.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-1220?
CVE-2025-1220 is a low-severity vulnerability in Php, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.7/10. Published 2025-07-13.
How severe is CVE-2025-1220?
Low severity. CVSS v3 base score is 3.7 out of 10.
Is CVE-2025-1220 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.