Vulnerability · Published May 26, 2026 · Assigned by VulDB
CVE-2026-9527itsourcecode Electronic Judging System judges.php cross site scripting
Medium 4.3
In plain English
A medium-severity cross-site scripting in Electronic Judging System from itsourcecode. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 72.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| itsourcecode | Electronic Judging System | 1.0 |
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-365546 | itsourcecode Electronic Judging System judges.php cross site scripting vdb-entry, technical-description
- VDB-365546 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #814715 | itsourcecode Electronic Judging System V1.0 cross site scripting third-party-advisory
- https://github.com/i-QvQ-i/first-OvO/issues/1 exploit, issue-tracking
- https://itsourcecode.com/ product