CVE-2021-37412: The TechRadar app 1.1 for Confluence Server allows XSS via the Title field of a Radar.

Routine

MEDIUM 6.1DOWNGRADE

CVE-2021-37412 is a medium-severity flaw (CVSS 6.1) affecting techradar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The TechRadar app 1.1 for Confluence Server allows XSS via the Title field of a Radar.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-09-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: it-economics

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-09-15 17:15 UTCPublished CVE record published
2026-06-17 04:00 UTCUpdated Record last modified

it-economics techradar DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy techradar || rpm -q techradar || techradar --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison techradar sudo apt install techradar=<VERSION_BEFORE_1.1> sudo apt-mark hold techradar

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list techradar sudo dnf downgrade techradar-<VERSION_BEFORE_1.1> sudo dnf versionlock add techradar

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-37412?

techradar: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-37412 being exploited?

CVE-2021-37412 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-37412 affect?

CVE-2021-37412 affects techradar. Severity is medium (CVSS 6.1). The TechRadar app 1.1 for Confluence Server allows XSS via the Title field of a Radar.

How urgent is CVE-2021-37412?

Priority 39/100. No elevated risk signals yet.

Software pages

Atlassian Confluence vulnerabilities

References

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