CVE-2026-120190: A security flaw has been discovered in PostyBirb Plus up to 3.1.75

Routine

LOW 3.5

CVE-2026-120190 is a low-severity flaw (CVSS 3.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in PostyBirb Plus up to 3.1.75. Affected by this vulnerability is an unknown functionality of the file ui/src/views/submissions/submission-forms/form-components/DescriptionInput.tsx of the component Submission Description Editor. The manipulation results in cross site scripting. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. Upgrading to version

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2026-11-01
Last modified	2026-11-01

Publisher (CNA): VulDB

Last updated 2026-11-01 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-11-01 01:17 UTCPublished CVE record published
2026-11-01 01:17 UTCUpdated Record last modified

Advisories and coverage

Research and news

VulDB Recent Entries: CVE-2026-120190 | PostyBirb Plus up to 3.1.75 Submission Description Editor DescriptionInput.tsx cross site scripting (Issue 504) 2026-10-31

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-2026-120190?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-120190 being exploited?

CVE-2026-120190 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-2026-120190 affect?

CVE-2026-120190 affects affected software. Severity is low (CVSS 3.5). A security flaw has been discovered in PostyBirb Plus up to 3.1.75. Affected by this vulnerability is an unknown functionality of the file ui/src/views/submissions/submission-forms/form-components/DescriptionInput.tsx of the component Submi

How urgent is CVE-2026-120190?

Priority 12/100. No elevated risk signals yet.

References

← Back to latest CVEs