Theia vulnerabilitiesRanked by how likely they are to be used.

Product66 versions
The short answer

Theia is made by Eclipse. We track 7 published vulnerabilities in it, across 66 versions. None of them is on the list of flaws known to be exploited today. If you run Theia, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Theia vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Theia's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Theia flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 2.6%

    In Eclipse Theia versions up to and including 1.2.0, the Markdown Preview (@theia/preview), can be exploited to execute arbitrary code.

    CVSS9.6Published24 Feb 2021
  2. 2.2%

    In Eclipse Theia 0.1.1 to 0.2.0, it is possible to exploit the default build to obtain remote code execution (and XXE) via the theia-xml-extension.

    CVSS9.8Published2 Sep 2021
  3. 0.8%

    In Eclipse Theia versions up to and including 0.16.0, in the notification messages there is no HTML escaping, so Javascript code can run.

    CVSS6.1Published12 Mar 2021
  4. 0.7%

    In versions of the @theia/plugin-ext component of Eclipse Theia prior to 1.18.0, Webview contents can be hijacked via postMessage().

    CVSS6.1Published10 Nov 2021
  5. 0.7%

    In Eclipse Theia versions up to and including 1.8.0, in the debug console there is no HTML escaping, so arbitrary Javascript code can be injected.

    CVSS6.1Published12 Mar 2021
  6. 0.6%

    In Eclipse Theia versions 0.3.9 through 0.15.0, one of the default pre-packaged Theia extensions is "Mini-Browser", published as "@theia/mini-browser" on npmjs.com.

    CVSS8.1Published10 Mar 2020
  7. 0.6%

    In Eclipse Theia 0.3.9 to 1.8.1, the "mini-browser" extension allows a user to preview HTML files in an iframe inside the IDE.

    CVSS8.8Published1 Sep 2021
Precursor Intelligence

Running Theia? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

Something else? Talk to the team →

We track 7 published vulnerabilities listed under the name Theia, across 66 versions.

None of Theia's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Theia. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.