Gollem before 3.0.13, as used in Horde Groupware Webmail Edition 5.2.22 and other…
Priority LOW 29CWE-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
Gollem before 3.0.13, as used in Horde Groupware Webmail Edition 5.2.22 and other products, is affected by a reflected Cross-Site Scripting (XSS) vulnerability via the HTTP GET dir parameter in the browser functionality, affecting breadcrumb output. An attacker can obtain access to a victim's webmail account by making them visit a malicious URL.
Why it matters now
EPSS 0.00974 62nd percentileScored 2026-11-07
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-2020-8034
- 2026-10-03 Alias added: GHSA-4653-jj47-h6j5
References
Advisory 3
More Horde Gollem vulnerabilities
- TI-2010-03279 Cross-site scripting (XSS) vulnerability in view.php in the file viewer in Horde Gollem… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2020-8034 · CVE Program
- CVE-2020-8034 · NVD
- FIRST EPSS
- GHSA-4653-jj47-h6j5 · 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