CVE-2023-50875: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Automatt

Q: How do I fix CVE-2023-50875?

sensei lms: upgrade to newer than 4.17.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-50875 being exploited?

CVE-2023-50875 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-2023-50875 affect?

CVE-2023-50875 affects sensei lms. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Automattic Sensei LMS – Online Courses, Quizzes, & Learning allows Stored XSS.This issue affects Sensei LMS – Online Courses, Quizzes, & L

Q: How urgent is CVE-2023-50875?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2023-50875 is a medium-severity flaw (CVSS 6.5) affecting sensei lms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Automattic Sensei LMS – Online Courses, Quizzes, & Learning allows Stored XSS.This issue affects Sensei LMS – Online Courses, Quizzes, & Learning: from n/a through 4.17.0.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-02-12
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: automattic

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

Am I affected?

Timeline

2024-02-12 07:15 UTCPublished CVE record published
2026-06-17 06:40 UTCUpdated Record last modified

automattic sensei lms UPGRADE

Affected: <= 4.17.0

Fixed in: newer than 4.17.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sensei-lms || rpm -q sensei-lms || sensei-lms --version

2. UPGRADE to newer than 4.17.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sensei-lms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sensei-lms

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-2023-50875?

sensei lms: upgrade to newer than 4.17.0. Exact commands for each OS are on this page.

Is CVE-2023-50875 being exploited?

CVE-2023-50875 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-2023-50875 affect?

CVE-2023-50875 affects sensei lms. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Automattic Sensei LMS – Online Courses, Quizzes, & Learning allows Stored XSS.This issue affects Sensei LMS – Online Courses, Quizzes, & L

How urgent is CVE-2023-50875?

Priority 29/100. No elevated risk signals yet.

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References

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