CVE-2020-26891
2 advisories.
PyPI/matrix-synapse CVE-2020-26891: medium 6.1, EPSS 1.92%
Cross-site scripting (XSS) vulnerability in the fallback authentication endpoint
Action: Upgrade matrix-synapse to 1.21.0 or later.
pip install matrix-synapse==1.21.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.21.0 | - |
Fixed versions
| 1.21.0 |
Sources
- osv: GHSA-3x8c-fmpc-5rmq
- https://github.com/matrix-org/synapse/security/advisories/GHSA-3x8c-fmpc-5rmq
- https://nvd.nist.gov/vuln/detail/CVE-2020-26891
- https://github.com/matrix-org/synapse/pull/8444
- https://github.com/matrix-org/synapse
- https://github.com/matrix-org/synapse/releases
- https://github.com/matrix-org/synapse/releases/tag/v1.21.2
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2020-238.yaml
- https://matrix.org/blog/2020/10/15/synapse-1-21-2-released-and-security-advisory
CVE-2020-26891 · published · modified · JSON
PyPI/matrix-synapse CVE-2020-26891: unknown, EPSS 1.92%
AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS due to unsafe interpolation of the session GET parameter. This allows a remote attacker to execute an XSS attack on the domain Syna
Action: Upgrade matrix-synapse to 1.21.0 or later.
pip install matrix-synapse==1.21.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.21.0 | - |
Fixed versions
| 1.21.0 |
Sources
- osv: PYSEC-2020-238
- https://matrix.org/blog/2020/10/15/synapse-1-21-2-released-and-security-advisory
- https://github.com/matrix-org/synapse/pull/8444
- https://github.com/matrix-org/synapse/releases/tag/v1.21.2
- https://github.com/matrix-org/synapse/security/advisories/GHSA-3x8c-fmpc-5rmq
CVE-2020-26891 · published · modified · JSON