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Medium

VPL for Moodle before 5.0.0 Reflected XSS via similarity/diff.php filename

Type: advisorySource: Official CVE List1 source record

VPL (Virtual Programming Lab) for Moodle before 5.0.0 contains a reflected cross-site scripting vulnerability that allows remote attackers to inject script via unencoded filename1/filename2 parameters in similarity/diff.php. Attackers can craft a diff.php link with a JavaScript payload that runs when a user holding mod/vpl:similarity opens it, performing actions or disclosing data under their session.

Announced Source revision 1
Original source ↗

CVE-2026-113683

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-113683

moodle-mod_vpl

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/jcrodriguez-dis/moodle-mod_vpl",
    "vendor": "jcrodriguez-dis",
    "product": "moodle-mod_vpl",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "5.0.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-113683

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#52546 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement