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Public proof of conceptFix available

CVE-2020-26248

A public proof of concept exists; no exploitation attested.

  • Published2020-12-03
  • Fixed in4.2.1
  • WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2020-12-0321:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-26248?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-26248?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Prestashop productcomments
BranchAffectedFixed in
4.2< 4.2.14.2.1
4.x≥ 4.0.0, < 4.2.14.2.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Prestashop productcomments to 4.2.1

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.16.8known since 2026-10-23
  • NVDCVSS 3.18.2read 2026-10-23
  • NVDCVSS 2.06.4read 2026-10-23
  • CNAweakness (CWE)CWE-89known since 2026-10-23
  • NVDweakness (CWE)CWE-89read 2026-10-23
  • FIRST EPSSEPSS score12.4 %read 2026-11-02
  • ProjectDiscoverydetectionread 2026-11-02
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryLOW2021-01-20

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published
2020-12-03
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-5v44-7647-xfw9

Frequently asked questions

What is CVE-2020-26248?

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.

Is CVE-2020-26248 actively exploited?

Active exploitation of CVE-2020-26248 has not been confirmed. Its EPSS score was 12.4% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-26248?

CVE-2020-26248 has a CVSS v3 base score of 8.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

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Sources for this record