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Vulnerabilities

Vulnerability · CVE-2020-36962

Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers to inject malicious formulas during export.

Published Jan 28, 2026 · catalog updated Oct 8, 2026 · Tendenci 12.3.1 contains a

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

Check this week

CVE-2020-36962 is not in CISA KEV. FIRST estimates a 12.36% chance of exploitation in the next 30 days. Check whether you run Tendenci 12.3.1 contains a.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Tendenci 12.3.1 contains a).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
12.36%
Remediation
Vendor / distro source
Affected products
vendor tendenci tendenci 12.3.1

Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers to inject malicious formulas during export. Attackers can submit crafted payloads like '=10+20+cmd|' /C calc'!A0' in the message field to trigger arbitrary command execution when the CSV is opened in spreadsheet applications.

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.

  • vendor tendenci tendenci 12.3.112.3.1

How to fix CVE-2020-36962

What to do

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

Should you patch?

CVE-2020-36962 is not in CISA KEV. FIRST estimates a 12.36% chance of exploitation in the next 30 days. Check whether you run Tendenci 12.3.1 contains a.

Which versions are affected?

Compare what you have installed with tendenci tendenci 12.3.1 12.3.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 12.36%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

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

Timeline

Detection, updates, and resolution for this record.

  1. Jan 28, 2026 · EUVD

    Detected

    Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers to inject malicious formulas during export. Attackers can submit crafted payloads like '=10+20+cmd|' /C calc'!A0' in the message field to trigger arbitrary command execution when the CSV is opened in spreadsheet applications.

  2. Oct 8, 2026 · EUVD

    Updated

    Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers to inject malicious formulas during export. Attackers can submit crafted payloads like '=10+20+cmd|' /C calc'!A0' in the message field to trigger arbitrary command execution when the CSV is opened in spreadsheet applications.

Sources

  • CVE.orgVulnerability recordCVE-2020-36962

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-36962

    30-day exploitation probability 12.36%

    first.org
  • EUVDVulnerability recordEUVD-2020-30887

    Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers to inject malicious formulas during export. Attackers can submit crafted payloads like '=10+20+cmd|' /C calc'!A0' in the message field to trigger arbitrary comma

    euvd.enisa.europa.eu
  • urlscan.ioThreat intelligenceCVE-2020-36962
    urlscan.io

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • urlscan.ioNov 7, 2026
  • FIRST EPSSNov 7, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026