CVE-2022-24676: update_code in Admin.php in HYBBS2 through 2.3.2 allows arbitrary file upload via a crafted ZIP archive.

Q: How do I fix CVE-2022-24676?

hybbs2: upgrade to 2.3.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-24676 being exploited?

CVE-2022-24676 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-2022-24676 affect?

CVE-2022-24676 affects hybbs2. Severity is high (CVSS 8.8). update_code in Admin.php in HYBBS2 through 2.3.2 allows arbitrary file upload via a crafted ZIP archive.

Q: How urgent is CVE-2022-24676?

Priority 54/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2022-24676 is a high-severity flaw (CVSS 8.8) affecting hybbs2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

update_code in Admin.php in HYBBS2 through 2.3.2 allows arbitrary file upload via a crafted ZIP archive.

Why this priority

High severity
Public exploit reference

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	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-434
Published	2022-02-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hyphp

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

Am I affected?

Timeline

2022-02-09 00:15 UTCPublished CVE record published
2026-06-17 04:32 UTCUpdated Record last modified

hyphp hybbs2 UPGRADE

Affected: < 2.3.3

Fixed in: 2.3.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy hybbs2 || rpm -q hybbs2 || hybbs2 --version

2. UPGRADE to 2.3.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hybbs2

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hybbs2

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-2022-24676?

hybbs2: upgrade to 2.3.3. Exact commands for each OS are on this page.

Is CVE-2022-24676 being exploited?

CVE-2022-24676 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-2022-24676 affect?

CVE-2022-24676 affects hybbs2. Severity is high (CVSS 8.8). update_code in Admin.php in HYBBS2 through 2.3.2 allows arbitrary file upload via a crafted ZIP archive.

How urgent is CVE-2022-24676?

Priority 54/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-24677 CRITICAL 9.8 UPGRADE Admin.php in HYBBS2 through 2.3.2 allows remote code execution because it writes plugin-related configuration

References

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