Is CVE-2026-13520 in the CISA KEV catalog?

No. CVE-2026-13520 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-13520?

CVE-2026-13520 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2026-13520?

CVE-2026-13520 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-13520?

No published fix for CVE-2026-13520 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-13520

MEDIUM

6.3

CVSS v3

NVD

Description

A vulnerability was determined in itsourcecode Hospital Management System 1.0. Affected is an unknown function of the file /appointmentapproval.php of the component Appointment Handler. This manipulation of the argument editid causes sql injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

CWE-74Injection CWE-89SQL Injection

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Other references6

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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 2026-06-29.