{"items":[{"id":"NVI-00007837","kind":"vulnerability","title":"Cross-site Scripting in yourls","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cpq8-x35g-m439","CVE-2021-3783"],"plain_summary":"OSV carries this publisher advisory for yourls/yourls. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-475a4e8da0de42a985348b05e55da008"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.696%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.53022. Missing scores are unknown.","source_id":"sr-475a4e8da0de42a985348b05e55da008"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ea9dbc2aaecfbeb90db6edab441fa585","url":"https://github.com/advisories/GHSA-cpq8-x35g-m439","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cpq8-x35g-m439","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.702Z"},{"id":"sr-475a4e8da0de42a985348b05e55da008","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2021-3783","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ea9dbc2aaecfbeb90db6edab441fa585"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"yourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in arbitrary path handling.","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 1.8.2"]}],"null_published_at":"2026-10-31T23:18:17.251Z","source_updated_at":"2023-11-08T04:06:24.448Z","source_disclosed_at":"2021-09-20T20:43:15.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.702Z"},{"id":"NVI-00007837","kind":"vulnerability","title":"Cross-site Scripting in yourls","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cpq8-x35g-m439","CVE-2021-3783"],"plain_summary":"OSV carries this publisher advisory for yourls/yourls. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-ea9dbc2aaecfbeb90db6edab441fa585"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ea9dbc2aaecfbeb90db6edab441fa585","url":"https://github.com/advisories/GHSA-cpq8-x35g-m439","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-cpq8-x35g-m439","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.702Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ea9dbc2aaecfbeb90db6edab441fa585"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"yourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in arbitrary path handling.","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 1.8.2"]}],"null_published_at":"2026-10-31T22:13:18.637Z","source_updated_at":"2023-11-08T04:06:24.448Z","source_disclosed_at":"2021-09-20T20:43:15.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:10.702Z"}],"next_cursor":null,"snapshot_revision":"42594"}