CVE-2020-26280: PYSEC-2020-72 - OpenSlides is a free, Web-based presentation and assembly system for managing and projecting agenda…

CVE-2020-26280 · Severity: info · Published 2020-12-18

OpenSlides is a free, Web-based presentation and assembly system for managing and projecting agenda, motions, and elections of assemblies. OpenSlides version 3.2, due to unsufficient user input validation and escaping, it is vulnerable to persistant cross-site scripting (XSS). In the web applications users can enter rich text in various places, e.g. for personal notes or in motions. These fields can be used to store arbitrary JavaScript Code that will be executed when other users read the respective text. An attacker could utilize this vulnerability be used to manipulate votes of other users, hijack the moderators session or simply disturb the meeting. The vulnerability was introduced with 6eae497abeab234418dfbd9d299e831eff86ed45 on 16.04.2020, which is first included in the 3.2 release. It has been patched in version 3.3 ( in commit f3809fc8a97ee305d721662a75f788f9e9d21938, merged in master on 20.11.2020).

Technologies: openslides (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2020-26280 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-26280 being exploited in the wild.
How severe is CVE-2020-26280?
Informational severity, published 18 December 2020.
Which products and versions are affected?
openslides (PyPI) GIT:introduced=0,fixed=f3809fc8a97ee305d721662a75f788f9e9d21938|ECOSYSTEM:introduced=0,fixed=3.3.
Is there a fix for CVE-2020-26280?
Yes. openslides (PyPI): upgrade to 3.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-26280?
Check whether you run openslides (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.

How to fix

  • openslides (PyPI): upgrade to 3.3 or later
    pip install "openslides>=3.3"

Affected products

  • openslides (PyPI) GIT:introduced=0,fixed=f3809fc8a97ee305d721662a75f788f9e9d21938|ECOSYSTEM:introduced=0,fixed=3.3

Identifiers

  • CVE-2020-26280
  • PYSEC-2020-72

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