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Not in CISA KEV
LOW severity

CVE-2020-28838 — opencart

LOW

CVE-2020-28838 is a low-severity (CVSS 3.5) Cross-Site Request Forgery (CSRF) vulnerability in opencart/opencart. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

OpenCart Cross-Site Request Forgery (CSRF)

Also known asGHSA-3j6m-m5v5-9785
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs33th percentile — riskier than 33% of all scored CVEsHighest risk
0.00%0.30%0.59%0.89%0.1%0.1%0.4%0.4%0.4%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘opencart/opencart

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Cross Site Request Forgery (CSRF) in CART option in OpenCart Ltd. Opencart CMS 3.0.3.6 allows attacker to add cart items via Add to cart.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistopencart/opencartall versionsNo fix

Affected Products

1 product · 1 configurations
Application
opencartopencart
1 version
3.0.3.6
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Cross Site Request Forgery (CSRF) in CART option in OpenCart Ltd. Openca…

exploit-db.comNVDDec 2020

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for opencart/opencart, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of opencart/opencart for CVE-2020-28838. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Cross Site Request Forgery (CSRF) in CART option in OpenCart Ltd. Opencart CMS 3.0.3.6 allows attacker to add cart items via Add to cart.
O3 Security · Impact-Aware SCA

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CVE-2020-28838: opencart CSRF (Low 3.5)