{"id":"CVE-2023-26131","state":"PUBLISHED","title":"All versions of the package github.com/xyproto/algernon/engine; all versions of the package github.com/xyproto/algernon/themes are vulnerable to Cross-site Scripting (XSS) via the ","description":"All versions of the package github.com/xyproto/algernon/engine; all versions of the package github.com/xyproto/algernon/themes are vulnerable to Cross-site Scripting (XSS) via the themes.NoPage(filename, theme) function due to improper user input sanitization. Exploiting this vulnerability is possible when a file/resource is not found.\r\r","publishedAt":"2023-05-31T05:00:01.493Z","updatedAt":"2025-01-09T20:38:45.687Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P","source":"snyk"},"assigner":"snyk","products":["n/a github.com/xyproto/algernon/engine","n/a github.com/xyproto/algernon/themes"],"affected":[{"vendor":"n/a","product":"github.com/xyproto/algernon/engine","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"semver"}]},{"vendor":"n/a","product":"github.com/xyproto/algernon/themes","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"semver"}]}],"references":["https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMXYPROTOALGERNONENGINE-3312111","https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMXYPROTOALGERNONTHEMES-3312112","https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/engine/handlers.go%23L514","https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/themes/html.go%23L145","https://github.com/xyproto/algernon/blob/aab484608651852d02a8a93f40baf53ed93e639a/engine/handlers.go%23L512"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/26xxx/CVE-2023-26131.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-26131","state":"PUBLISHED","datePublished":"2023-05-31T05:00:01.493Z","dateUpdated":"2025-01-09T20:38:45.687Z","assignerShortName":"snyk","assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","dateReserved":"2023-02-20T10:28:48.924Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"All versions of the package github.com/xyproto/algernon/engine; all versions of the package github.com/xyproto/algernon/themes are vulnerable to Cross-site Scripting (XSS) via the themes.NoPage(filename, theme) function due to improper user input sanitization. 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