Is CVE-2026-9527 actively exploited?

No active exploitation of CVE-2026-9527 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-9527 be exploited remotely?

Yes. CVE-2026-9527 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-9527?

CVE-2026-9527 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-9527

CWE-79Published: May 26, 2026· Updated: May 26, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:9.8th

Official Description

A vulnerability was determined in itsourcecode Electronic Judging System 1.0. This issue affects some unknown processing of the file /admin/judges.php. This manipulation of the argument fname causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

NVD Source

Technical Analysis

CVE-2026-9527 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.