CVE-2025-51962: A HTML Injection vulnerability in the comment section of the project page in MicroStudio 24.01.29 allows remot

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-51962 is a medium-severity flaw (CVSS 6.1) affecting microstudio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A HTML Injection vulnerability in the comment section of the project page in MicroStudio 24.01.29 allows remote attackers to inject arbitrary web script or HTML via the text parameter of add_project_comment function.

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	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-12-15
Last modified	2026-10-07

Publisher (CNA): MITRE · Vendor: microstudio

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-15 19:16 UTCPublished CVE record published
2026-10-07 19:10 UTCUpdated Record last modified

microstudio microstudio DOWNGRADE

Affected: 24.01.29

Fixed in: no fixed release known

Safe to downgrade to: a release before 24.01.29

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 24.01.29 (Debian / Ubuntu)

apt-cache madison microstudio sudo apt install microstudio=<VERSION_BEFORE_24.01.29> sudo apt-mark hold microstudio

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

dnf --showduplicates list microstudio sudo dnf downgrade microstudio-<VERSION_BEFORE_24.01.29> sudo dnf versionlock add microstudio

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-2025-51962?

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

Is CVE-2025-51962 being exploited?

CVE-2025-51962 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-2025-51962 affect?

CVE-2025-51962 affects microstudio. Severity is medium (CVSS 6.1). A HTML Injection vulnerability in the comment section of the project page in MicroStudio 24.01.29 allows remote attackers to inject arbitrary web script or HTML via the text parameter of add_project_comment function.

How urgent is CVE-2025-51962?

Priority 25/100. No elevated risk signals yet.

References

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