CVE-2021-25295
OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.
OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.
- Record
CVE-2021-25295- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.
- Record
CVE-2021-25295- Updated
- 2026-11-02
EUVDEUVD-2021-12195 No score
OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.
- Record
EUVD-2021-12195- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-83f7-78g7-gqxp No score
OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.
OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.
- Record
GHSA-83f7-78g7-gqxp- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
OpenCATS through 0.9.5-3 has multiple Cross-site Scripting (XSS) issues.
- Record
CVE-2021-25295- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25295 is a medium vulnerability (CVSS 6.1) in Opencats, published January 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.54%, the 75th percentile. No source names a fixed version.
References
snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.html
github.com/snoopysecurity/snoopysecurity.github.io/blob/master/web-application-security/2021/01/16/09_opencats_php_object_injection.html
opencats.org/news
nvd.nist.gov/vuln/detail/CVE-2021-25295