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Fencer Vulns
medium 6.8

CVE-2020-26248 json

Blind SQL injection during the CommentGrade process

published 2020-12-03 5 y ago modified 2026-07-08 4 mo ago also GHSA-5v44-7647-xfw9 , EUVD-2021-0491

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
12.4%
EPSS 12.4% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known, plus a Nuclei check

Summary

In the PrestaShop module "productcomments" before version 4.2.1, an attacker can use a Blind SQL injection to retrieve data or stop the MySQL service. The problem is fixed in 4.2.1 of the module.

Patch / fix

  • packagist prestashop/productcomments 4.2.1
  • prestashop productcomments 4.2.1

Exploit prediction

12.39% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template PrestaShop Product Comments <4.2.0 - SQL Injection nuclei detection template
  • packetstormsecurity.com http://packetstormsecurity.com/files/160539/PrestaShop-ProductComments-4.2.0-SQL-Injection.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
NVD 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P
GitHub 3.0 8.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Affected packages

ecosystem package affected fixed in
packagist prestashop/productcomments
>=4.0.0, <4.2.1
4.2.1

Affected products

  • PrestaShop productcomments

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.