HOMEVULNERABILITIESCVE-2022-21686
CRITICAL

CVE-2022-21686

CWE-94Published: January 26, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

PrestaShop is an Open Source e-commerce platform. Starting with version 1.7.0.0 and ending with version 1.7.8.3, an attacker is able to inject twig code inside the back office when using the legacy layout. The problem is fixed in version 1.7.8.3. There are no known workarounds.

NVD Source

Technical Analysis

CVE-2022-21686 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

prestashop1 product(s)
prestashop
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/PrestaShop/PrestaShop/commit/d02b469ec365822e6a9f017e57f588966248bf21
PATCHhttps://github.com/PrestaShop/PrestaShop/commit/d02b469ec365822e6a9f017e57f588966248bf21
ADVISORYhttps://github.com/PrestaShop/PrestaShop/releases/tag/1.7.8.3
ADVISORYhttps://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-mrq4-7ch7-2465
ADVISORYhttps://github.com/PrestaShop/PrestaShop/releases/tag/1.7.8.3
ADVISORYhttps://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-mrq4-7ch7-2465

All References (6)

→
https://github.com/PrestaShop/PrestaShop/commit/d02b469ec365822e6a9f017e57f588966248bf21Patch · Third Party Advisory
→
https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.8.3Release Notes · Third Party Advisory
→
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-mrq4-7ch7-2465Third Party Advisory
→
https://github.com/PrestaShop/PrestaShop/commit/d02b469ec365822e6a9f017e57f588966248bf21Patch · Third Party Advisory
→
https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.8.3Release Notes · Third Party Advisory
→
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-mrq4-7ch7-2465Third Party Advisory

Quick Facts

CVE IDCVE-2022-21686
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-94
CISA KEVNo
Affected1 vendor(s)
PublishedJan 26, 2022

Related CVEs (CWE-94)

CVE-2026-45132
10.0
CVE-2026-45131
10.0
CVE-2024-36679
10.0
CVE-2026-10561
10.0
CVE-2026-28505
10.0
CVE-2024-32599
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-21686 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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