CVE-2022-31786: IdeaLMS 2022 allows reflected Cross Site Scripting (XSS) via the IdeaLMS/Class/Assessment/ PATH_INFO.

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MEDIUM 6.1DOWNGRADE

CVE-2022-31786 is a medium-severity flaw (CVSS 6.1) affecting idealms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IdeaLMS 2022 allows reflected Cross Site Scripting (XSS) via the IdeaLMS/Class/Assessment/ PATH_INFO.

Why this priority

Public exploit reference

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	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-06-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ideaco

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

Am I affected?

Timeline

2022-06-21 15:15 UTCPublished CVE record published
2026-06-17 04:46 UTCUpdated Record last modified

ideaco idealms DOWNGRADE

Affected: 2022

Fixed in: no fixed release known

Safe to downgrade to: a release before 2022

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2022 (Debian / Ubuntu)

apt-cache madison idealms sudo apt install idealms=<VERSION_BEFORE_2022> sudo apt-mark hold idealms

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

dnf --showduplicates list idealms sudo dnf downgrade idealms-<VERSION_BEFORE_2022> sudo dnf versionlock add idealms

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-2022-31786?

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

Is CVE-2022-31786 being exploited?

CVE-2022-31786 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-2022-31786 affect?

CVE-2022-31786 affects idealms. Severity is medium (CVSS 6.1). IdeaLMS 2022 allows reflected Cross Site Scripting (XSS) via the IdeaLMS/Class/Assessment/ PATH_INFO.

How urgent is CVE-2022-31786?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2022-31788 CRITICAL 9.8 DOWNGRADE IdeaLMS 2022 allows SQL injection via the IdeaLMS/ChatRoom/ClassAccessControl/6?isBigBlueButton=0&ClassID= pat

References

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