CVE-2024-0530: A vulnerability was found in CXBSoft Post-Office up to 1.0 and classified as critical

Routine

MEDIUM 5.5DOWNGRADE

CVE-2024-0530 is a medium-severity flaw (CVSS 5.5) affecting post-office. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in CXBSoft Post-Office up to 1.0 and classified as critical. Affected by this issue is some unknown functionality of the file /apps/reg_go.php of the component HTTP POST Request Handler. The manipulation of the argument username_reg leads to sql injection. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250700. NOTE: The vendor was contacted early about this discl

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-89
Published	2024-01-15
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: cxbsoft

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

Am I affected?

Timeline

2024-01-15 02:15 UTCPublished CVE record published
2026-06-17 06:53 UTCUpdated Record last modified

cxbsoft post-office DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy post-office || rpm -q post-office || post-office --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison post-office sudo apt install post-office=<VERSION_BEFORE_1.0> sudo apt-mark hold post-office

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

dnf --showduplicates list post-office sudo dnf downgrade post-office-<VERSION_BEFORE_1.0> sudo dnf versionlock add post-office

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-2024-0530?

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

Is CVE-2024-0530 being exploited?

CVE-2024-0530 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-2024-0530 affect?

CVE-2024-0530 affects post-office. Severity is medium (CVSS 5.5). A vulnerability was found in CXBSoft Post-Office up to 1.0 and classified as critical. Affected by this issue is some unknown functionality of the file /apps/reg_go.php of the component HTTP POST Request Handler. The manipulation of the arg

How urgent is CVE-2024-0530?

Priority 31/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-0529 MEDIUM 5.5 DOWNGRADE A vulnerability has been found in CXBSoft Post-Office up to 1.0 and classified as critical
CVE-2024-0528 MEDIUM 5.5 DOWNGRADE A vulnerability, which was classified as critical, was found in CXBSoft Post-Office 1.0

References

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