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MEDIUM severity

Cross-site Scripting in RosarioSISGHSA-6vc5-v7hw-h5h2

MEDIUM

GHSA-6vc5-v7hw-h5h2 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in francoisjacquet/rosariosis. A fix is available for francoisjacquet/rosariosis — see the affected versions and patch details below.

Also known asCVE-2020-15721
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 12, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs73th percentile — riskier than 73% of all scored CVEsHighest risk
0.00%0.66%1.31%1.97%0.4%1.5%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

GHSA-6vc5-v7hw-h5h2 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,987 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🐘francoisjacquet/rosariosis

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

RosarioSIS through 6.8-beta allows modules/Custom/NotifyParents.php XSS because of the href attributes for AddStudents.php and User.php.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistfrancoisjacquet/rosariosisall versions6.8composer require francoisjacquet/rosariosis:^6.8

Affected Products

1 product · 3 configurations
Application
rosariosisrosariosis
≤ 6.7.2
1 version
6.8

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for francoisjacquet/rosariosis, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update francoisjacquet/rosariosis to 6.8 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-6vc5-v7hw-h5h2 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

RosarioSIS through 6.8-beta allows modules/Custom/NotifyParents.php XSS because of the href attributes for AddStudents.php and User.php.
O3 Security · Impact-Aware SCA

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Cross-site Scripting in RosarioSIS (Medium 6.1)