No VulnCrest analysis published for this CVE yet. Below is the original CNA/NVD description, unmodified.
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.
Exploits & detection
No public PoC or detection template found yet.
Timeline
- Published: 01 Nov 2026
- Last modified upstream: 06 Nov 2026
Sources & licenses
- CVE / CVSS / CWE
- NVD record ↗ (unmodified). This product uses the NVD API but is not endorsed or certified by the NVD. CVE® © The MITRE Corporation.
- Exploitation
- CISA KEV (CC0) · EPSS by FIRST.org
- References used for the analysis
- https://github.com/mvdicarlo/postybirb-plus/commit/6b11c2345ad98ae59fd5404a9f1024eb1d10c8a4
- https://github.com/mvdicarlo/postybirb-plus/issues/504
- https://github.com/mvdicarlo/postybirb-plus/pull/506
- https://github.com/mvdicarlo/postybirb-plus/releases/tag/v3.1.76
- https://github.com/user-attachments/files/32685547/report.md
- https://vuldb.com/cve/CVE-2026-120190
- https://vuldb.com/submit/1027356
- https://vuldb.com/vuln/429529
- https://vuldb.com/vuln/429529/cti
- Analysis, summary and remediation
- © VulnCrest