194 lines
8.0 KiB
JSON
194 lines
8.0 KiB
JSON
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"value": "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 Synapse is hosted on, by supplying the victim user with a malicious URL to the /_matrix/client/r0/auth/*/fallback/web or /_matrix/client/unstable/auth/*/fallback/web Synapse endpoints."
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"dateUpdated": "2020-10-20T20:05:41.000Z",
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{
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"tags": [
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],
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"url": "https://github.com/matrix-org/synapse/pull/8444"
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},
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://matrix.org/blog/2020/10/15/synapse-1-21-2-released-and-security-advisory"
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},
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{
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/matrix-org/synapse/releases/tag/v1.21.2"
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},
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{
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-3x8c-fmpc-5rmq"
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