In IBOS 4.5.4 the email function has a cross site scripting (XSS) vulnerability in emailbody[content] parameter.
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
In IBOS 4.5.4 the email function has a cross site scripting (XSS) vulnerability in emailbody[content] parameter.
Why it matters now
EPSS 0.00689 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-21783
- 2026-10-03 Alias added: GHSA-2h49-jxxh-7v6v
References
More Ibos vulnerabilities
- TI-2024-18815 IBOS v4.5.5 has an arbitrary file deletion vulnerability via \system\modules\dashboard\controllers\LoginController.php. CVSS 3.1CRITICAL 9.1
- TI-2023-04468 IBOS OA optimize sql injection CVSS 3.1CRITICAL 9.8
- TI-2023-04466 IBOS OA del sql injection CVSS 3.1CRITICAL 9.8
- TI-2023-04465 IBOS OA trash&op=del sql injection CVSS 3.1CRITICAL 9.8
- TI-2023-02906 IBOS del actionDel sql injection CVSS 3.1CRITICAL 9.8
- TI-2023-01982 IBOS del&op=recycle sql injection CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-21783 · CVE Program
- CVE-2020-21783 · NVD
- FIRST EPSS
- GHSA-2h49-jxxh-7v6v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences