CVE-2019-25682: CMSsite 1.0 contains a cross-site request forgery vulnerability that allows attackers to perform unauthorized

Routine

MEDIUM 4.3DOWNGRADE

CVE-2019-25682 is a medium-severity flaw (CVSS 4.3) affecting cmssite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CMSsite 1.0 contains a cross-site request forgery vulnerability that allows attackers to perform unauthorized administrative actions by crafting malicious HTML forms. Attackers can trick authenticated administrators into visiting crafted pages that submit POST requests to the users.php endpoint with parameters like source=add_user, source=edit_user, or del=1 to create, modify, or delete admin accounts.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-352
Published	2026-04-05
Last modified	2026-07-24

Publisher (CNA): VulnCheck · Vendor: victoralagwu

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-05 21:16 UTCPublished CVE record published
2026-07-24 22:10 UTCUpdated Record last modified

victoralagwu cmssite 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 cmssite || rpm -q cmssite || cmssite --version

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

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

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

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

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-2019-25682?

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

Is CVE-2019-25682 being exploited?

CVE-2019-25682 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-2019-25682 affect?

CVE-2019-25682 affects cmssite. Severity is medium (CVSS 4.3). CMSsite 1.0 contains a cross-site request forgery vulnerability that allows attackers to perform unauthorized administrative actions by crafting malicious HTML forms. Attackers can trick authenticated administrators into visiting crafted pa

How urgent is CVE-2019-25682?

Priority 21/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2019-25674 HIGH 8.2 DOWNGRADE CMSsite 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate databa
CVE-2019-25697 HIGH 8.2 DOWNGRADE CMSsite 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate databa

References

← Back to latest CVEs