CVE-2023-39448: Path traversal vulnerability in SHIRASAGI prior to v1.18.0 allows a remote authenticated attacker to alter or

Q: How do I fix CVE-2023-39448?

shirasagi: upgrade to 1.18.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-39448 being exploited?

CVE-2023-39448 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-39448 affect?

CVE-2023-39448 affects shirasagi. Severity is high (CVSS 8.8). Path traversal vulnerability in SHIRASAGI prior to v1.18.0 allows a remote authenticated attacker to alter or create arbitrary files on the server, resulting in arbitrary code execution.

This month

HIGH 8.8UPGRADE

CVE-2023-39448 is a high-severity flaw (CVSS 8.8) affecting shirasagi. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Path traversal vulnerability in SHIRASAGI prior to v1.18.0 allows a remote authenticated attacker to alter or create arbitrary files on the server, resulting in arbitrary code execution.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-09-05
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: ss-proj

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-09-05 09:15 UTCPublished CVE record published
2026-06-17 06:12 UTCUpdated Record last modified

ss-proj shirasagi UPGRADE

Affected: < 1.18.0

Fixed in: 1.18.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy shirasagi || rpm -q shirasagi || shirasagi --version

2. UPGRADE to 1.18.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade shirasagi

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade shirasagi

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-39448?

shirasagi: upgrade to 1.18.0. Exact commands for each OS are on this page.

Is CVE-2023-39448 being exploited?

CVE-2023-39448 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-39448 affect?

CVE-2023-39448 affects shirasagi. Severity is high (CVSS 8.8). Path traversal vulnerability in SHIRASAGI prior to v1.18.0 allows a remote authenticated attacker to alter or create arbitrary files on the server, resulting in arbitrary code execution.

How urgent is CVE-2023-39448?

Priority 48/100. High severity

Related CVEs

CVE-2024-46898 HIGH 7.5 UPGRADE SHIRASAGI prior to v1.19.1 processes URLs in HTTP requests improperly, resulting in a path traversal vulnerabi
CVE-2023-41889 MEDIUM 5.3 UPGRADE SHIRASAGI is a Content Management System
CVE-2023-38569 MEDIUM 5.4 UPGRADE Stored cross-site scripting vulnerability in SHIRASAGI prior to v1.18.0 allows a remote authenticated attacker
CVE-2023-36492 MEDIUM 6.1 UPGRADE Reflected cross-site scripting vulnerability in SHIRASAGI prior to v1.18.0 allows a remote unauthenticated att

References

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