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Fencer Vulns
critical 9.8

CVE-2021-41649 in the critical feed json

An un-authenticated SQL Injection exists in PuneethReddyHC online-shopping-system-advanced through the /homeaction.php cat_id parameter.

published 2021-10-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28661

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
52.1%
EPSS 52.1% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

An un-authenticated SQL Injection exists in PuneethReddyHC online-shopping-system-advanced through the /homeaction.php cat_id parameter. Using a post request does not sanitize the user input.

Exploit prediction

52.05% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template PuneethReddyHC Online Shopping System homeaction.php SQL Injection nuclei detection template
  • streamable.com https://streamable.com/aii806 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-41649 referenced PoC, tagged "exploit" by a source, unverified
  • streamable.com https://streamable.com/mnn7dn referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

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.