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Fencer Vulns
medium 5.4

CVE-2021-44565 json

Cross site scripting in francoisjacquet/rosariosis

published 2022-02-22 4 y ago modified 2026-06-17 4 mo ago also GHSA-44cg-qcpr-fwjh , EUVD-2022-0803

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

A Cross Site Scripting (XSS) vulnerability exists in RosarioSIS before 7.6.1 via the xss_clean function in classes/Security.php, which allows remote malicious users to inject arbitrary JavaScript or HTML. An example of affected components are all Markdown input fields.

Patch / fix

  • packagist francoisjacquet/rosariosis 7.6.1
  • rosariosis rosariosis 7.6.1

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.com https://gitlab.com/francoisjacquet/rosariosis/-/issues/307 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist francoisjacquet/rosariosis
<7.6.1
7.6.1

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.