CVE-2023-7191: A vulnerability, which was classified as critical, was found in S-CMS up to 2.0_build20220529-20231006

Routine

MEDIUM 5.5DOWNGRADE

CVE-2023-7191 is a medium-severity flaw (CVSS 5.5) affecting s-cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as critical, was found in S-CMS up to 2.0_build20220529-20231006. This affects an unknown part of the file member/reg.php. The manipulation of the argument M_login/M_email leads to sql injection. The exploit has been disclosed to the public and may be used. The identifier VDB-249393 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-12-31
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: s-cms

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

Am I affected?

Timeline

2023-12-31 16:15 UTCPublished CVE record published
2026-06-17 06:52 UTCUpdated Record last modified

s-cms s-cms DOWNGRADE

Affected: 1.0 · 1.5 · 2.0 build_20220529-20231006

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy s-cms || rpm -q s-cms || s-cms --version

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

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

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

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

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-2023-7191?

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

Is CVE-2023-7191 being exploited?

CVE-2023-7191 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-2023-7191 affect?

CVE-2023-7191 affects s-cms. Severity is medium (CVSS 5.5). A vulnerability, which was classified as critical, was found in S-CMS up to 2.0_build20220529-20231006. This affects an unknown part of the file member/reg.php. The manipulation of the argument M_login/M_email leads to sql injection. The ex

How urgent is CVE-2023-7191?

Priority 30/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-7190 MEDIUM 5.5 DOWNGRADE A vulnerability, which was classified as critical, has been found in S-CMS up to 2.0_build20220529-20231006
CVE-2023-7189 MEDIUM 5.5 DOWNGRADE A vulnerability classified as critical was found in S-CMS up to 2.0_build20220529-20231006
CVE-2023-51052 CRITICAL 9.8 DOWNGRADE S-CMS v5.0 was discovered to contain a SQL injection vulnerability via the A_formauth parameter at /admin/ajax
CVE-2023-51051 CRITICAL 9.8 DOWNGRADE S-CMS v5.0 was discovered to contain a SQL injection vulnerability via the A_textauth parameter at /admin/ajax
CVE-2023-51050 CRITICAL 9.8 DOWNGRADE S-CMS v5.0 was discovered to contain a SQL injection vulnerability via the A_productauth parameter at /admin/a

References

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