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CVE-2025-30207

21
FAUCET Score

CVE-2025-30207 is a path traversal vulnerability affecting Kirby CMS versions prior to 3.9.8.3, 3.10.1.2, and 4.7.1, specifically when using PHP's built-in server for local development. Attackers could determine the existence of files outside the Kirby installation by exploiting a missing path traversal check, though file contents were not exposed. Rated High severity (CVSS 7.5), it has a network attack vector and low complexity, potentially leading to information disclosure (CWE-22, CWE-23). There is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.9.8.3CPE matchmatch criteria
cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*
>= 3.10.0, < 3.10.1.2CPE matchmatch criteria
cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.7.1CPE matchmatch criteria
cpe:2.3:a:getkirby:kirby:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.3LOW

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
LOW
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 18th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: getkirby/cmsFixed in: 3.9.8.3
composerpatch availablevia ghsa
Product: getkirby/cmsFixed in: 3.10.1.2
composerpatch availablevia ghsa
Product: getkirby/cmsFixed in: 4.7.1
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-9p3p-w5jf-8xxglow

Kirby vulnerable to path traversal in the router for PHP's built-in server

May 13, 2025

References

github.com / getkirby/kirby/releases/tag/3.10.1.2
Release Notes
github.com / getkirby/kirby/releases/tag/3.9.8.3
Release Notes
github.com / getkirby/kirby/releases/tag/4.7.1
Release Notes
github.com / getkirby/kirby/security/advisories/GHSA-9p3p-w5jf-8xxg
Vendor Advisory