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PDF Invoices & Packing Slips for WooCommerce

18known security flaws found in PDF Invoices & Packing Slips for WooCommerce
since October 2017

Safe from 5.16.2

Version 5.16.2 or later fixes all of them. A site on an older version is open to them.

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When they were found.

Minor: Cross-site scripting, October 2017Advisory: Cross-site scripting, October 2017Minor: Cross-site scripting, December 2021Advisory: Cross-site scripting, June 2022Advisory: Cross-site scripting, June 2022Minor: Cross-site scripting, June 2022Minor: Cross-site scripting, August 2022Minor: Forged requests, January 2023Major: Database injection, January 2024Minor: Cross-site scripting, April 2024Major: Server side request forgery, April 2024Minor: Missing checks, October 2024Minor: Missing checks, December 2025Advisory: Missing checks, February 2026Major: Running code, April 2026Minor: Missing checks, July 2026Major: Cross-site scripting, July 202620172019202120232025

DangerousMajorMinorAdvisory

What they could let someone do.

What could happen

  • 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
  • Running code

    Someone could run their own code on the server and take the site over: add malware, send spam, steal data, or use it to attack others.

    How: Part of the software treats something it was sent as instructions to follow, or keeps an uploaded file somewhere it can be run.

    Read about it here
  • Server side request forgery

    Someone could make your server fetch addresses for them, reaching services that are meant to be private.

    How: The software fetches an address it was sent without checking where it points.

Every known flaw, newest first (18)
  1. July 2026MinorMissing checksFixed in 5.15.0. Needs a login on the site (Contributor+).
  2. July 2026MajorCross-site scriptingFixed in 5.16.2. No login needed.
  3. April 2026MajorRunning codeFixed in 5.9.0. Needs a login on the site (Shop manager+).
  4. February 2026AdvisoryMissing checksFixed in 5.7.0. Needs a login on the site (Subscriber+).
  5. December 2025MinorMissing checksFixed in 5.0.0. Needs a login on the site.
  6. October 2024MinorMissing checksFixed in 3.8.7. No login needed.
  7. April 2024MinorCross-site scriptingFixed in 3.8.1. No login needed.
  8. April 2024MajorServer side request forgeryFixed in 3.8.1. No login needed.
  9. January 2024MajorDatabase injectionFixed in 3.7.6. Needs a login on the site (Shop Manager+).
  10. January 2023MinorForged requestsFixed in 3.2.6. No login needed.
  11. August 2022MinorCross-site scriptingFixed in 3.0.1. No login needed.
  12. June 2022MinorCross-site scriptingFixed in 2.16.0. No login needed.
  13. June 2022AdvisoryCross-site scriptingFixed in 2.15.0.
  14. June 2022AdvisoryCross-site scriptingFixed in 2.15.
  15. December 2021MinorCross-site scriptingFixed in 2.10.5. Needs a login on the site.
  16. October 2017AdvisoryCross-site scriptingFixed in 2.0.13.
  17. October 2017MinorCross-site scriptingFixed in 2.0.13. No login needed.
  18. Date not knownAdvisoryCross-site scriptingFixed in 2.15.0.

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

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