How severe is CVE-2025-0531?

CVE-2025-0531 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-0531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-0531?

CVE-2025-0531 affects Fabian Chat System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-0531?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-0531 have an EU (EUVD) identifier?

Yes. CVE-2025-0531 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1740.

When was CVE-2025-0531 published?

CVE-2025-0531 was published on 2025-01-17 and last updated on 2026-06-17.

CVE-2025-0531

CVE-2025-0531 is a medium-severity vulnerability in Fabian Chat System with a CVSS 3.x base score of 6.3. 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: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-1740
Weakness: CWE-89
Affected product: Fabian Chat System
Published: 2025-01-17
Last modified: 2026-06-17

Description

A vulnerability was found in code-projects Chat System 1.0 and classified as critical. This issue affects some unknown processing of the file /user/leaveroom.php. The manipulation of the argument id leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-0531?: A vulnerability was found in code-projects Chat System 1.0 and classified as critical. This issue affects some unknown processing of the file /user/leaveroom.php. The manipulation of the argument id leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-0531?: CVE-2025-0531 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-0531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-0531?: CVE-2025-0531 affects Fabian Chat System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-0531?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-0531 have an EU (EUVD) identifier?: Yes. CVE-2025-0531 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1740.
When was CVE-2025-0531 published?: CVE-2025-0531 was published on 2025-01-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fabian:chat_system:1.0:*:*:*:*:*:*:*

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