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WP Super Cache

22known security flaws found in WP Super Cache
since April 2013

Safe from 1.9

Version 1.9 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, April 2013Major: Running code, August 2014Minor: Cross-site scripting, August 2014Major: Running code, August 2014Advisory: Cross-site scripting, April 2015Advisory: Cross-site scripting, May 2015Advisory: Running code, May 2015Advisory: Information leak, September 2015Advisory: Information leak, September 2015Advisory: Running code, September 2015Advisory: a security flaw, September 2015Advisory: Running code, September 2015Advisory: Cross-site scripting, February 2017Major: Running code, March 2021Minor: Cross-site scripting, April 2021Major: Running code, May 2021Advisory: a security flaw, October 2022Advisory: a security flaw, October 20222013201520172019202120232025

DangerousMajorMinorAdvisory

What they could let someone do.

What could happen

  • 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
  • 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
  • Information leak

    It could give away information that should stay private, such as user details, file locations or settings, which makes other attacks easier.

    How: The software shows, sends or logs more than it should.

Every known flaw, newest first (22)
  1. October 2022AdvisoryA security flawFixed in 1.9.
  2. October 2022AdvisoryA security flawFixed in 1.9. No login needed.
  3. May 2021MajorRunning codeFixed in 1.7.3. Needs a login on the site.
  4. April 2021MinorCross-site scriptingFixed in 1.7.3. Needs a login on the site.
  5. March 2021MajorRunning codeFixed in 1.7.2. Needs a login on the site.
  6. February 2017AdvisoryCross-site scriptingFixed in 1.4.9.
  7. September 2015AdvisoryA security flawFixed in 1.4.5.
  8. September 2015AdvisoryRunning codeFixed in 1.4.5.
  9. September 2015AdvisoryInformation leakFixed in 1.4.5.
  10. September 2015AdvisoryInformation leakFixed in 1.4.5.
  11. September 2015AdvisoryRunning codeFixed in 1.4.5.
  12. May 2015AdvisoryCross-site scriptingFixed in 1.4.3.
  13. May 2015AdvisoryRunning codeFixed in 1.3.1.
  14. April 2015AdvisoryCross-site scriptingFixed in 1.4.3.
  15. August 2014MajorRunning codeFixed in 1.3.2. No login needed.
  16. August 2014MinorCross-site scriptingFixed in 1.3.1. No login needed.
  17. August 2014MajorRunning codeFixed in 1.3.2. No login needed.
  18. April 2013AdvisoryA security flawFixed in 1.3.
  19. Date not knownAdvisoryA security flawFixed in 1.9. No login needed.
  20. Date not knownAdvisoryCross-site scriptingFixed in 1.4.9.
  21. Date not knownAdvisoryRunning codeFixed in 1.4.5.
  22. Date not knownAdvisoryCross-site scriptingFixed in 1.4.3.

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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