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WooPayments

10known security flaws found in WooPayments
since August 2022

Safe from 10.6.0

Version 10.6.0 or later fixes all of them. A site on an older version is open to them.

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When they were found.

Advisory: a security flaw, August 2022Dangerous: Missing checks, March 2023Advisory: Missing checks, March 2023Major: Missing checks, June 2023Major: Database injection, June 2023Minor: Cross-site scripting, December 2023Minor: Missing checks, December 2023Minor: Missing checks, March 202620222023202420252026

DangerousMajorMinorAdvisory

What they could let someone do.

What could happen

  • Missing checks

    Someone could do things only an administrator should: change settings, see private data, or give themselves more rights.

    How: Part of the software forgets to check who is asking before it does what was asked.

    Read about it here
  • Database injection

    Someone could read or change what is in the site's database: customer details, orders, password records, or a new administrator account.

    How: The software builds its questions to the database out of what visitors type, so carefully written input changes the question itself.

    Read about it here
  • Cross-site scripting

    Someone could make your pages run their own script in visitors' browsers, to steal logins, show a fake payment form or send people to a scam site.

    How: The software puts text it was sent back onto a page without making it safe first, so a script hidden in a link, form or comment runs as if it were part of your site.

    Read about it here
Every known flaw, newest first (10)
  1. March 2026MinorMissing checksFixed in 10.6.0. No login needed.
  2. December 2023MinorMissing checksFixed in 6.7.0. No login needed.
  3. December 2023MinorCross-site scriptingFixed in 6.5.0. Needs a login on the site.
  4. June 2023MajorDatabase injectionFixed in 5.9.1. Needs a login on the site.
  5. June 2023MajorMissing checksFixed in 5.9.1. No login needed.
  6. March 2023DangerousMissing checksFixed in 5.6.2. No login needed.
  7. March 2023AdvisoryMissing checksFixed in 5.6.2.
  8. August 2022AdvisoryA security flawFixed in 4.5.1.
  9. Date not knownAdvisoryA security flawFixed in 4.5.1.
  10. Date not knownAdvisoryForged requestsFixed in 4.9.0.

From the public lists of known flaws, checked daily. A flaw is listed once it is made public, often after a fix is out.

Be told the day a new one is found.

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