{"id":"CVE-2026-27473","aliases":["DEBIAN-CVE-2026-27473","DSA-6155-1","EUVD-2026-8319","GHSA-fgj6-7f58-836m","UBUNTU-CVE-2026-27473"],"status":"published","title":"SPIP \u003c 4.4.9 Stored Cross-Site Scripting via Syndicated Sites","description":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00302,"percentile":0.23182,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2026-02-19T18:38:26Z","modified":"2026-10-28T02:31:08Z","fixes":[{"ecosystem":"Debian:13","package":"spip","fixed_in":["4.4.11+dfsg-0+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"spip","fixed_in":["4.4.9+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.11+dfsg-0+deb13u1"}]}],"versions":["4.4.10+dfsg-1","4.4.3+dfsg-1","4.4.3+dfsg-1+deb13u1","4.4.4+dfsg-1","4.4.5+dfsg-1","4.4.6+dfsg-1","4.4.7+dfsg-1","4.4.8+dfsg-1","4.4.9+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.9+dfsg-1"}]}],"versions":["4.4.3+dfsg-1","4.4.4+dfsg-1","4.4.5+dfsg-1","4.4.6+dfsg-1","4.4.7+dfsg-1","4.4.8+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.11+dfsg-0+deb13u1"}]}],"versions":["4.4.10+dfsg-1","4.4.3+dfsg-1","4.4.3+dfsg-1+deb13u1","4.4.4+dfsg-1","4.4.5+dfsg-1","4.4.6+dfsg-1","4.4.7+dfsg-1","4.4.8+dfsg-1","4.4.9+dfsg-1"],"bundled":8},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.20-1","3.0.21-1","3.0.21-1ubuntu1","3.0.21-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.4-3","3.1.4-4~deb9u3build0.18.04.1","3.1.4-4~deb9u5build0.18.04.1","3.1.4-4~deb9u5ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.4-1","3.2.5-1","3.2.7-1","3.2.7-1ubuntu0.1","3.2.7-1ubuntu0.1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.11-3","3.2.12-1","4.0.2-1","4.0.4-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.11+dfsg-1","4.1.12+dfsg-1","4.1.13+dfsg-1","4.1.15+dfsg-1","4.2.9+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.8+dfsg-1","4.4.3+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"spip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.3+dfsg-1","4.4.6+dfsg-1","4.4.7+dfsg-1","4.4.8+dfsg-1","4.4.9+dfsg-1"]}],"products":[{"vendor":"spip","product":"spip"}],"references":[{"url":"https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html","tags":["vendor-advisory","patch","Release Notes","Vendor Advisory","fix","report"]},{"url":"https://git.spip.net/spip/spip","tags":["product","Product","web","report"]},{"url":"https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sites","tags":["third-party-advisory","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27473","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fgj6-7f58-836m"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27473.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-27473","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-27473","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-27473","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-27473","title":"SPIP \u003c 4.4.9 Stored Cross-Site Scripting via Syndicated Sites","description":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","status":"published","published":"2026-02-19T18:38:26.735Z","modified":"2026-03-05T01:31:17.619Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:19:48.826324Z"}],"euvd":[{"id":"EUVD-2026-8319","description":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","status":"published","published":"2026-02-19T18:38:26Z","modified":"2026-03-05T01:31:17Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:09.383214Z"}],"ghsa":[{"id":"GHSA-fgj6-7f58-836m","title":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private...","description":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","status":"published","published":"2026-02-19T21:30:47Z","modified":"2026-02-24T21:32:36Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:06:21.586241Z"}],"nvd":[{"id":"CVE-2026-27473","description":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","status":"published","published":"2026-02-19T19:22:30.363Z","modified":"2026-06-17T10:27:12.777Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:06.274729Z"}],"osv":[{"id":"CVE-2026-27473","title":"SPIP \u003c 4.4.9 Stored Cross-Site Scripting via Syndicated Sites","description":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","status":"published","published":"2026-02-19T18:38:26.735Z","modified":"2026-10-28T02:31:08.66577654Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T15:45:00.180685Z"},{"id":"DEBIAN-CVE-2026-27473","description":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","status":"published","published":"2026-02-19T19:22:30.363Z","modified":"2026-10-01T03:03:01.110655474Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"UBUNTU-CVE-2026-27473","description":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","status":"published","published":"2026-02-19T19:22:00Z","modified":"2026-05-20T16:24:51.375794097Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:56:08.726452Z"},{"id":"DSA-6155-1","title":"spip - security update","status":"published","published":"2026-03-03T00:00:00Z","modified":"2026-03-09T02:08:53.307993Z","updated_at":"2026-11-02T15:46:18.296714Z"}]}}