CVE-2021-28162: eclipse theia
CVSS: 6.1v3.1MediumModified
AliasesGHSA-c94v-8fff-73ph
Published 12-03-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-28162 is a medium (CVSS 6.1) vulnerability in eclipse theia. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 54.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.78%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 12-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- OSV · NpmEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.78% on 18-09-2026
18-09-202618-10-2026
EPSS score0.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundTheia
Maturity: poc
Weaknesses
CWE · root cause- CWE-830Inclusion of Web Functionality from an Untrusted SourceThe product includes web functionality (such as a web widget) from another domain, which causes it to operate within the domain of the product, potentially granting total access and control of the product to the untrusted source.
- CWE-829Inclusion of Functionality from Untrusted Control SphereThe product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.
Affected systems
@theia1 product
- messages< 1.0.0
Eclipse1 product
- theia≤ 0.16.0
The eclipse foundation1 product
- eclipse theia≥ unspecified, ≤ 0.16.0
3 vendors · 3 products
References
4 links- github.com/eclipse-theia/theia/issues/7283X Refsource CONFIRMWEBExploitIssue TrackingThird Party Advisory