CVE-2023-25654 | baserCMS File Uploader Remote Code Execution (RCE) vulnerability

baserCMS is a Content Management system. Prior to version 4.7.5, there is a Remote Code Execution (RCE) Vulnerability in the management system of baserCMS. Version 4.7.5 contains a patch.

Published: 2023-03-23 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-25654 is rated Moderate Risk (63.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.53%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-25654

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.08% 1.53% -0.55%
2 2026-05-16 2.28% 2.08% -0.20%
3 2026-03-24 2.28%

Full EPSS history (22 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-25654

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]

Weakness enumeration for CVE-2023-25654

GitHub Security Advisory for CVE-2023-25654

GHSA-h4cc-fxpp-pgw9 · Severity: critical · Ecosystem: composer — baserCMS File Uploader Remote Code Execution (RCE) vulnerability

Affected software / configurations for CVE-2023-25654

Vendor Product Version Raw CPE
basercms basercms < 4.7.5 cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*

References for CVE-2023-25654

cvelogic Threat Intelligence