CVE-2024-58282: Serendipity 2.5.0 contains a remote code execution vulnerability that allows authenticated administrators to u

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HIGH 7.2DOWNGRADE

CVE-2024-58282 is a high-severity flaw (CVSS 7.2) affecting serendipity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Serendipity 2.5.0 contains a remote code execution vulnerability that allows authenticated administrators to upload malicious PHP files through the media upload functionality. Attackers can exploit the file upload mechanism by creating a PHP shell with a command execution form that enables arbitrary system command execution on the web server.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-434
Published	2025-12-10
Last modified	2026-09-26

Publisher (CNA): VulnCheck · Vendor: s9y

Last updated 2026-09-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-10 22:16 UTCPublished CVE record published
2026-09-26 21:10 UTCUpdated Record last modified

s9y serendipity DOWNGRADE

Affected: 2.5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.5.0 (Debian / Ubuntu)

apt-cache madison serendipity sudo apt install serendipity=<VERSION_BEFORE_2.5.0> sudo apt-mark hold serendipity

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

dnf --showduplicates list serendipity sudo dnf downgrade serendipity-<VERSION_BEFORE_2.5.0> sudo dnf versionlock add serendipity

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-2024-58282?

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

Is CVE-2024-58282 being exploited?

CVE-2024-58282 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-2024-58282 affect?

CVE-2024-58282 affects serendipity. Severity is high (CVSS 7.2). Serendipity 2.5.0 contains a remote code execution vulnerability that allows authenticated administrators to upload malicious PHP files through the media upload functionality. Attackers can exploit the file upload mechanism by creating a PH

How urgent is CVE-2024-58282?

Priority 46/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-39971 HIGH 7.2 UPGRADE Serendipity is a PHP-powered weblog engine
CVE-2026-39963 MEDIUM 6.9 UPGRADE Serendipity is a PHP-powered weblog engine
CVE-2023-53933 HIGH 8.8 DOWNGRADE Serendipity 2.4.0 contains a remote code execution vulnerability that allows authenticated attackers to upload
CVE-2023-53932 MEDIUM 5.4 DOWNGRADE Serendipity 2.4.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inje
CVE-2023-31576 HIGH 8.8 DOWNGRADE An arbitrary file upload vulnerability in Serendipity 2.4-beta1 allows attackers to execute arbitrary code via

References

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