No. Junglewise Threat Intelligence has no report of CVE-2011-1340 being exploited in the wild.
How severe is CVE-2011-1340?
Informational severity, published 6 July 2026.
Which products and versions are affected?
plone (PyPI) ECOSYSTEM:introduced=0,fixed=2.5.3.
Is there a fix for CVE-2011-1340?
Yes. plone (PyPI): upgrade to 2.5.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2011-1340?
Check whether you run plone (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.