{"id":"CVE-2026-34098","state":"PUBLISHED","title":"Guardian Language-System XSS via id Parameter in media.php","description":"Guardian language-system fails to sanitize the id GET parameter before inserting it into HTML source and form action attributes in media.php (lines 119, 129). An authenticated attacker can craft a URL that injects script tags executing in the victim's browser session.","publishedAt":"2026-07-01T16:04:04.525Z","updatedAt":"2026-07-14T18:40:14.100Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["guardian language-system"],"affected":[{"vendor":"guardian","product":"language-system","packageURL":"pkg:github/guardian/language-system","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"e42c395ec4b03fe62973a669c9209a673838b8a4","versionType":"git"}],"repo":"https://github.com/guardian/language-system"}],"references":["https://gist.github.com/cyberinforepo/d5b2771d82e1b31b8fc1c33052e08dad","https://www.vulncheck.com/advisories/guardian-language-system-xss-via-id-parameter-in-media-php"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34098.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34098","state":"PUBLISHED","datePublished":"2026-07-01T16:04:04.525Z","dateUpdated":"2026-07-14T18:40:14.100Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-03-25T18:43:09.826Z"},"containers":{"cna":{"title":"Guardian Language-System XSS via id Parameter in media.php","descriptions":[{"lang":"en","value":"Guardian language-system fails to sanitize the id GET parameter before inserting it into HTML source and form action attributes in media.php (lines 119, 129). An authenticated attacker can craft a URL that injects script tags executing in the victim's browser session."}],"affected":[{"vendor":"guardian","product":"language-system","packageURL":"pkg:github/guardian/language-system","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"e42c395ec4b03fe62973a669c9209a673838b8a4","versionType":"git"}],"repo":"https://github.com/guardian/language-system"}],"references":[{"url":"https://gist.github.com/cyberinforepo/d5b2771d82e1b31b8fc1c33052e08dad","name":"Researcher Disclosure","tags":["technical-description","exploit"]},{"url":"https://www.vulncheck.com/advisories/guardian-language-system-xss-via-id-parameter-in-media-php","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":4.8,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","version":"3.1","baseSeverity":"MEDIUM","baseScore":4.6,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-07-14T18:40:14.100Z"},"tags":["x_open-source"],"datePublic":"2026-07-01T00:00:00.000Z","credits":[{"lang":"en","value":"philopentest","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-01T18:11:47.550931Z","id":"CVE-2026-34098","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-01T18:12:04.580Z"}}]}}}