CVE-2020-8789
Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.
Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.
- Record
CVE-2020-8789- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.
- Record
CVE-2020-8789- Updated
- 2026-11-02
EUVDEUVD-2020-29637 No score
Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.
- Record
EUVD-2020-29637- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h245-x3rp-cpq4 No score
Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.
Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.
- Record
GHSA-h245-x3rp-cpq4- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8789 is a medium vulnerability (CVSS 5.4) in Composr Project Composr, published May 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.