CVE-2025-54294CriticalCVSS 9.3

Komento (com_komento) 4.0.0 to below 4.0.8 - Unauthenticated SQL Injection

Komento commenting component by StackIdeas. CVE-2025-54294: SQL injection exploitable by unprivileged users. Affects 4.0.0-4.0.7, fixed in 4.0.8. Earlier 3.x/2.x branches are not affected by this vector.

Affected versions: ≥ 4.0.0 and < 4.0.8

Official record: cve.org · NVD

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How CVE-2025-54294 is scored

The base metrics as Joomla CNA published them, and what each one means for a site running an affected version. Threat and environmental metrics are left out: they describe a moment or a particular install rather than the flaw.

9.3 Critical

CVSS 4.0, scored by Joomla CNA

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

How it is reached

AV:N Attack vector: Network. Reachable across the internet
AC:L Attack complexity: Low. Nothing to work around, it just works
AT:N Attack requirements: None. Works against any affected install
PR:N Privileges required: None. No account needed
UI:N User interaction: None. Nobody has to be tricked into anything

What it does to the site

VC:H Confidentiality: High. Everything the site holds can be read
VI:H Integrity: High. Data and files can be altered at will
VA:N Availability: None. The site stays up

What it does beyond the site

SC:N Confidentiality: None. Other systems keep their data
SI:N Integrity: None. Other systems keep their integrity
SA:N Availability: None. Other systems stay up

Affected extensions and versions

CVE-2025-54294

Komento

Affected versions: ≥ 4.0.0 and < 4.0.8

Full advisory: nvd.nist.gov

Running an affected version on a site you manage?

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Rules current as of 3 October 2026.