CVE-2024-39243: An issue discovered in skycaiji 2.8 allows attackers to run arbitrary code via crafted POST request to /index.

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-39243 is a critical-severity flaw (CVSS 9.8) affecting skycaiji. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue discovered in skycaiji 2.8 allows attackers to run arbitrary code via crafted POST request to /index.php?s=/admin/develop/editor_save.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-74, CWE-75
Published	2024-06-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: skycaiji

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

Am I affected?

Timeline

2024-06-26 20:15 UTCPublished CVE record published
2026-06-17 07:41 UTCUpdated Record last modified

skycaiji skycaiji DOWNGRADE

Affected: 2.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.8

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.8 (Debian / Ubuntu)

apt-cache madison skycaiji sudo apt install skycaiji=<VERSION_BEFORE_2.8> sudo apt-mark hold skycaiji

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list skycaiji sudo dnf downgrade skycaiji-<VERSION_BEFORE_2.8> sudo dnf versionlock add skycaiji

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-39243?

skycaiji: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-39243 being exploited?

CVE-2024-39243 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-2024-39243 affect?

CVE-2024-39243 affects skycaiji. Severity is critical (CVSS 9.8). An issue discovered in skycaiji 2.8 allows attackers to run arbitrary code via crafted POST request to /index.php?s=/admin/develop/editor_save.

How urgent is CVE-2024-39243?

Priority 50/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-1799 MEDIUM 6.3 DOWNGRADE A vulnerability, which was classified as critical, was found in Zorlan SkyCaiji 2.9
CVE-2025-1791 MEDIUM 6.3 DOWNGRADE A vulnerability has been found in Zorlan SkyCaiji 2.9 and classified as critical
CVE-2024-6252 LOW 2.4 UPGRADE A vulnerability has been found in Zorlan SkyCaiji up to 2.8 and classified as problematic
CVE-2024-39242 MEDIUM 6.1 DOWNGRADE A cross-site scripting (XSS) vulnerability in skycaiji v2.8 allows attackers to execute arbitrary web scripts
CVE-2024-39241 MEDIUM 6.1 DOWNGRADE Cross Site Scripting (XSS) vulnerability in skycaiji 2.8 allows attackers to run arbitrary code via /admin/too

References

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