{"id":"CVE-2021-26072","published":"2021-04-01T18:10:35Z","modified":"2024-09-17T01:40:50Z","title":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote…","vendor":"Atlassian","product":"Confluence Server","tier":"core","eol":null,"affectedVersions":[{"vendor":"Atlassian","product":"Confluence Server","versions":[">= unspecified, < 5.8.6"]},{"vendor":"Atlassian","product":"Confluence Data Center","versions":[">= unspecified, < 5.8.6"]}],"description":{"text":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":null,"epss":{"score":0.41219,"percentile":0.98663,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2025-11-05","exploitedFirstSeen":"2025-11-05","ransomware":false,"evidence":[{"url":"https://app.crowdsec.net/cti/cve-explorer/CVE-2021-26072","date":"2025-11-05"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[],"references":[{"url":"https://jira.atlassian.com/browse/CONFSERVER-61399","tags":["x_refsource_MISC"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2021-12895","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-12895","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"nuclei":[{"id":"CVE-2021-26072","name":"Atlassian Confluence < 5.8.6 - Server-Side Request Forgery","severity":"medium","path":"http/cves/2021/CVE-2021-26072.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-26072.yaml"}],"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2021-04-01","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2021-26072","provenance":"source"},{"date":"2025-11-05","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://app.crowdsec.net/cti/cve-explorer/CVE-2021-26072","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":64.7,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":5.0,"detail":"added 358 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.73,"detail":"percentile 0.9866"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 nuclei template"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":0.0,"detail":"no CVSS"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}