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Vulnerability · Published Nov 1, 2026 · Assigned by VulDB

CVE-2026-120190PostyBirb Plus Submission Description Editor DescriptionInput.tsx cross site scripting

Low 3.5

In plain English

A low-severity cross-site scripting in PostyBirb Plus. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.4%top 66.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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 3.1.76 addresses this issue. The patch is identified as 6b11c2345ad98ae59fd5404a9f1024eb1d10c8a4. It is advisable to upgrade the affected component.

Affected products (as reported)

VendorProductVersions
n/a PostyBirb Plus 3.1.03.1.13.1.23.1.33.1.43.1.53.1.63.1.7

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C

References