Is CVE-2025-63891 in the CISA KEV catalog?

No. CVE-2025-63891 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-63891?

CVE-2025-63891 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2025-63891?

CVE-2025-63891 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-63891

HIGH

7.5

CVSS v3

NVD

Description

Information Disclosure in web-accessible backup file in SourceCodester Simple Online Book Store System allows a remote unauthenticated attacker to disclose full database contents (including schema and credential hashes) via an unauthenticated HTTP GET request to /obs/database/obs_db.sql.

CWE-200Information Exposure

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-19.