CVE-2025-56435: SQL Injection vulnerability in FoxCMS v1.2.6 and before allows a remote attacker to execute arbitrary code via

Q: How do I fix CVE-2025-56435?

foxcms: upgrade to newer than 1.2.6. Exact commands for each OS are on this page.

Q: Is CVE-2025-56435 being exploited?

CVE-2025-56435 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-2025-56435 affect?

CVE-2025-56435 affects foxcms. Severity is medium (CVSS 5.3). SQL Injection vulnerability in FoxCMS v1.2.6 and before allows a remote attacker to execute arbitrary code via the. file /DataBackup.php and the operation on the parameter id.

Q: How urgent is CVE-2025-56435?

Priority 31/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-56435 is a medium-severity flaw (CVSS 5.3) affecting foxcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL Injection vulnerability in FoxCMS v1.2.6 and before allows a remote attacker to execute arbitrary code via the. file /DataBackup.php and the operation on the parameter id.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-89
Published	2025-09-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: foxcms

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

Am I affected?

Timeline

2025-09-03 16:15 UTCPublished CVE record published
2026-06-17 09:42 UTCUpdated Record last modified

foxcms foxcms UPGRADE

Affected: <= 1.2.6

Fixed in: newer than 1.2.6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.2.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade foxcms

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-2025-56435?

foxcms: upgrade to newer than 1.2.6. Exact commands for each OS are on this page.

Is CVE-2025-56435 being exploited?

CVE-2025-56435 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-2025-56435 affect?

CVE-2025-56435 affects foxcms. Severity is medium (CVSS 5.3). SQL Injection vulnerability in FoxCMS v1.2.6 and before allows a remote attacker to execute arbitrary code via the. file /DataBackup.php and the operation on the parameter id.

How urgent is CVE-2025-56435?

Priority 31/100. Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-10251 MEDIUM 6.3 UPGRADE A vulnerability was detected in FoxCMS up to 1.24
CVE-2025-12920 LOW 2.4 UPGRADE A flaw has been found in qianfox FoxCMS up to 1.2.16
CVE-2025-11306 MEDIUM 4.3 UPGRADE A vulnerability was found in qianfox FoxCMS up to 1.2
CVE-2025-55422 HIGH 8.8 DOWNGRADE In FoxCMS 1.2.6, there is a reflected Cross Site Scripting (XSS) vulnerability in /index.php/plus.
CVE-2025-55409 HIGH 8.8 DOWNGRADE FoxCMS 1.2.6, there is a Cross Site Scripting vulnerability in /index.php/article

References

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