CVE-2020-9008: Stored Cross-site scripting (XSS) vulnerability in Blackboard Learn/PeopleTool v9.1 allows users to inject arb

Q: How do I fix CVE-2020-9008?

blackboard learn: upgrade to 9.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-9008 being exploited?

CVE-2020-9008 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-9008 affect?

CVE-2020-9008 affects blackboard learn. Severity is medium (CVSS 5.4). Stored Cross-site scripting (XSS) vulnerability in Blackboard Learn/PeopleTool v9.1 allows users to inject arbitrary web script via the Tile widget in the People Tool profile editor.

Q: How urgent is CVE-2020-9008?

Priority 36/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2020-9008 is a medium-severity flaw (CVSS 5.4) affecting blackboard learn. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stored Cross-site scripting (XSS) vulnerability in Blackboard Learn/PeopleTool v9.1 allows users to inject arbitrary web script via the Tile widget in the People Tool profile editor.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-02-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: blackboard

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

Am I affected?

Timeline

2020-02-25 18:15 UTCPublished CVE record published
2026-06-17 03:27 UTCUpdated Record last modified

blackboard blackboard learn UPGRADE

Affected: < 9.1 · 9.1 q2_2017 · 9.1 q2_2017_cumulative_update1 · 9.1 q2_2017_cumulative_update2 · 9.1 q2_2017_cumulative_update3 · 9.1 q2_2017_cumulative_update4 · 9.1 q2_2017_cumulative_update5

Fixed in: 9.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy blackboard-learn || rpm -q blackboard-learn || blackboard-learn --version

2. UPGRADE to 9.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade blackboard-learn

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade blackboard-learn

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2020-9008?

blackboard learn: upgrade to 9.1. Exact commands for each OS are on this page.

Is CVE-2020-9008 being exploited?

CVE-2020-9008 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-2020-9008 affect?

CVE-2020-9008 affects blackboard learn. Severity is medium (CVSS 5.4). Stored Cross-site scripting (XSS) vulnerability in Blackboard Learn/PeopleTool v9.1 allows users to inject arbitrary web script via the Tile widget in the People Tool profile editor.

How urgent is CVE-2020-9008?

Priority 36/100. Public exploit reference

Related CVEs

CVE-2022-39196 MEDIUM 6.5 DOWNGRADE Blackboard Learn 1.10.1 allows remote authenticated users to read unintended files by entering student credent
CVE-2021-36747 MEDIUM 5.4 UPGRADE Blackboard Learn through 9.1 allows XSS by an authenticated user via the Feedback to Learner form.
CVE-2021-36746 MEDIUM 5.4 UPGRADE Blackboard Learn through 9.1 allows XSS by an authenticated user via the Assignment Instructions HTML editor.

References

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