How severe is CVE-2025-6845?

CVE-2025-6845 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-6845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6845?

CVE-2025-6845 affects Fabian Simple Forum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6845?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-6845 have an EU (EUVD) identifier?

Yes. CVE-2025-6845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19473.

When was CVE-2025-6845 published?

CVE-2025-6845 was published on 2025-06-29 and last updated on 2026-06-17.

CVE-2025-6845

CVE-2025-6845 is a high-severity vulnerability in Fabian Simple Forum with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19473
Weakness: CWE-89
Affected product: Fabian Simple Forum
Published: 2025-06-29
Last modified: 2026-06-17

Description

A vulnerability was found in code-projects Simple Forum 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the file /register1.php. The manipulation of the argument User leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-6845?: A vulnerability was found in code-projects Simple Forum 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the file /register1.php. The manipulation of the argument User leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-6845?: CVE-2025-6845 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-6845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6845?: CVE-2025-6845 affects Fabian Simple Forum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-6845 have an EU (EUVD) identifier?: Yes. CVE-2025-6845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19473.
When was CVE-2025-6845 published?: CVE-2025-6845 was published on 2025-06-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fabian:simple_forum:1.0:*:*:*:*:*:*:*

More vulnerabilities in Fabian Simple Forum

CVE-2025-6846 — High (CVSS 7.3): A vulnerability classified as critical has been found in code-projects Simple Forum 1.0. This affects an unknown part…
CVE-2025-6844 — High (CVSS 7.3): A vulnerability was found in code-projects Simple Forum 1.0. It has been declared as critical. Affected by this…
CVE-2025-6850 — Medium (CVSS 6.3): A vulnerability has been found in code-projects Simple Forum 1.0 and classified as critical. Affected by this…
CVE-2025-6848 — Medium (CVSS 6.3): A vulnerability, which was classified as critical, has been found in code-projects Simple Forum 1.0. This issue affects…
CVE-2025-6847 — Medium (CVSS 6.3): A vulnerability classified as critical was found in code-projects Simple Forum 1.0. This vulnerability affects unknown…
CVE-2025-6866 — Medium (CVSS 4.3): A vulnerability has been found in code-projects Simple Forum 1.0 and classified as critical. This vulnerability affects…

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