CVE-2025-7099: A vulnerability has been found in BoyunCMS up to 1.21 on PHP7 and classified as critical

Q: How do I fix CVE-2025-7099?

boyuncms: upgrade to newer than 1.21. Exact commands for each OS are on this page.

Q: Is CVE-2025-7099 being exploited?

CVE-2025-7099 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-2025-7099 affect?

CVE-2025-7099 affects boyuncms. Severity is medium (CVSS 5.6). A vulnerability has been found in BoyunCMS up to 1.21 on PHP7 and classified as critical. Affected by this vulnerability is an unknown functionality of the file install/install2.php of the component Installation Handler. The manipulation of

Q: How urgent is CVE-2025-7099?

Priority 35/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.6REMOTEUPGRADE

CVE-2025-7099 is a medium-severity flaw (CVSS 5.6) affecting boyuncms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in BoyunCMS up to 1.21 on PHP7 and classified as critical. Affected by this vulnerability is an unknown functionality of the file install/install2.php of the component Installation Handler. The manipulation of the argument db_host leads to deserialization. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the p

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.6 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-20, CWE-502
Published	2025-07-07
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: boyuncms project

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

Am I affected?

Timeline

2025-07-07 00:15 UTCPublished CVE record published
2026-06-17 10:04 UTCUpdated Record last modified

boyuncms project boyuncms UPGRADE

Affected: <= 1.21

Fixed in: newer than 1.21

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.21 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade boyuncms

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-2025-7099?

boyuncms: upgrade to newer than 1.21. Exact commands for each OS are on this page.

Is CVE-2025-7099 being exploited?

CVE-2025-7099 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-2025-7099 affect?

CVE-2025-7099 affects boyuncms. Severity is medium (CVSS 5.6). A vulnerability has been found in BoyunCMS up to 1.21 on PHP7 and classified as critical. Affected by this vulnerability is an unknown functionality of the file install/install2.php of the component Installation Handler. The manipulation of

How urgent is CVE-2025-7099?

Priority 35/100. Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-7103 MEDIUM 6.3 UPGRADE A vulnerability was found in BoyunCMS up to 1.4.20
CVE-2025-7102 MEDIUM 6.3 UPGRADE A vulnerability was found in BoyunCMS up to 1.4.20
CVE-2025-7101 MEDIUM 6.3 UPGRADE A vulnerability was found in BoyunCMS up to 1.4.20
CVE-2025-7100 MEDIUM 6.3 UPGRADE A vulnerability was found in BoyunCMS up to 1.4.20 and classified as critical

References

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