CVE-2020-35774

Name: CVE-2020-35774
Creator: NVD / NIST
Published: 2020-12-29T18:15:13.057+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 87.44%

Last modified Jun 17, 2026

CVE-2020-35774 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. server/handler/HistogramQueryHandler.scala in Twitter TwitterServer (aka twitter-server) before 20.12.0, in some configurations, allows XSS via the /histograms endpoint.. EPSS estimates a 87.44% chance of exploitation in the next 30 days.

Description

server/handler/HistogramQueryHandler.scala in Twitter TwitterServer (aka twitter-server) before 20.12.0, in some configurations, allows XSS via the /histograms endpoint.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

87.44%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Twitter	Twitter-Server	< 20.12.0

References

https://advisory.checkmarx.net/advisory/CX-2020-4287Third Party Advisory
https://github.com/twitter/twitter-server/commit/e0aeb87e89a6e6c711214ee2de0dd9f6e5f9cb6cPatch, Third Party Advisory
https://github.com/twitter/twitter-server/compare/twitter-server-20.10.0...twitter-server-20.12.0Patch, Third Party Advisory
https://advisory.checkmarx.net/advisory/CX-2020-4287Third Party Advisory
https://github.com/twitter/twitter-server/commit/e0aeb87e89a6e6c711214ee2de0dd9f6e5f9cb6cPatch, Third Party Advisory
https://github.com/twitter/twitter-server/compare/twitter-server-20.10.0...twitter-server-20.12.0Patch, Third Party Advisory

Timeline

Published: Dec 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35774?

server/handler/HistogramQueryHandler.scala in Twitter TwitterServer (aka twitter-server) before 20.12.0, in some configurations, allows XSS via the /histograms endpoint.

How severe is CVE-2020-35774?

CVE-2020-35774 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 87.44% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35774?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-35774?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST