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Vulnerabilities

Vulnerability · CVE-2020-29470

OpenCart 3.0.3.6 is affected by cross-site scripting (XSS) in the Subject field of mail.

Published Dec 29, 2020 · catalog updated Jun 17, 2026 · OpenCart 3.0.3.6 is affected

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2020-29470. EPSS is 1.71%. Act only if a listed version of OpenCart 3.0.3.6 is affected is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (OpenCart 3.0.3.6 is affected).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.71%
Remediation
Not established
Affected products
cpe opencart/opencart

OpenCart 3.0.3.6 is affected by cross-site scripting (XSS) in the Subject field of mail. This vulnerability can allow an attacker to inject the XSS payload in the Subject field of the mail and each time any user will open that mail of the website, the XSS triggers and the attacker can able to steal the cookie according to the crafted payload.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe opencart/opencart3.0.3.6

How to fix CVE-2020-29470

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-29470. EPSS is 1.71%. Act only if a listed version of OpenCart 3.0.3.6 is affected is installed.

Which versions are affected?

Compare what you have installed with 3.0.3.6. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 1.71%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

OpenCart security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 29, 2020 · Monitored products — high

    Detected

    OpenCart 3.0.3.6 is affected by cross-site scripting (XSS) in the Subject field of mail. This vulnerability can allow an attacker to inject the XSS payload in the Subject field of the mail and each time any user will open that mail of the website, the XSS triggers and the attacker can able to steal the cookie according to the crafted payload.

  2. Jun 17, 2026 · Monitored products — high

    Updated

    OpenCart 3.0.3.6 is affected by cross-site scripting (XSS) in the Subject field of mail. This vulnerability can allow an attacker to inject the XSS payload in the Subject field of the mail and each time any user will open that mail of the website, the XSS triggers and the attacker can able to steal the cookie according to the crafted payload.

Sources

  • FIRST EPSSExploitation probabilityCVE-2020-29470

    30-day exploitation probability 1.71%

    first.org
  • Monitored products — highVendor advisoryCVE-2020-29470

    OpenCart 3.0.3.6 is affected by cross-site scripting (XSS) in the Subject field of mail. This vulnerability can allow an attacker to inject the XSS payload in the Subject field of the mail and each time any user will open that mail of the website, the XSS triggers and the attacker can able to steal the cookie according to the crafted payload.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • Monitored products — highNov 3, 2026