cve-2025-46339
Vulnerability from cvelistv5
Published
2025-06-04 20:04
Modified
2025-06-04 20:48
Severity ?
EPSS score ?
Summary
FreshRSS vulnerable to favicon cache poisoning via proxy
References
{ "containers": { "adp": [ { "metrics": [ { "other": { "content": { "id": "CVE-2025-46339", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2025-06-04T20:48:40.460533Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2025-06-04T20:48:49.550Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "product": "FreshRSS", "vendor": "FreshRSS", "versions": [ { "status": "affected", "version": "\u003c 1.26.2" } ] } ], "descriptions": [ { "lang": "en", "value": "FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, it\u0027s possible to poison feed favicons by adding a given URL as a feed with the proxy set to an attacker-controlled one and disabled SSL verifying. The favicon hash is computed by hashing the feed URL and the salt, whilst not including the following variables: proxy address, proxy protocol, and whether SSL should be verified. Therefore it\u0027s possible to poison a favicon of a given feed by simply intercepting the response of the feed, and changing the website URL to one where a threat actor controls the feed favicon. Feed favicons can be replaced for all users by anyone. Version 1.26.2 fixes the issue." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-349", "description": "CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2025-06-04T20:04:54.504Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "name": "https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-8f79-3q3w-43c4", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-8f79-3q3w-43c4" }, { "name": "https://github.com/FreshRSS/FreshRSS/commit/3776e1e48f33e80eb4b674bb64b419caf3b5a4e2", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/FreshRSS/FreshRSS/commit/3776e1e48f33e80eb4b674bb64b419caf3b5a4e2" } ], "source": { "advisory": "GHSA-8f79-3q3w-43c4", "discovery": "UNKNOWN" }, "title": "FreshRSS vulnerable to favicon cache poisoning via proxy" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2025-46339", "datePublished": "2025-06-04T20:04:54.504Z", "dateReserved": "2025-04-22T22:41:54.912Z", "dateUpdated": "2025-06-04T20:48:49.550Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-46339\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2025-06-04T20:15:23.817\",\"lastModified\":\"2025-08-12T15:33:57.800\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, it\u0027s possible to poison feed favicons by adding a given URL as a feed with the proxy set to an attacker-controlled one and disabled SSL verifying. The favicon hash is computed by hashing the feed URL and the salt, whilst not including the following variables: proxy address, proxy protocol, and whether SSL should be verified. Therefore it\u0027s possible to poison a favicon of a given feed by simply intercepting the response of the feed, and changing the website URL to one where a threat actor controls the feed favicon. Feed favicons can be replaced for all users by anyone. Version 1.26.2 fixes the issue.\"},{\"lang\":\"es\",\"value\":\"FreshRSS es un agregador de feeds RSS autoalojado. Antes de la versi\u00f3n 1.26.2, era posible envenenar los faviconos de un feed a\u00f1adiendo una URL como feed con un proxy configurado como uno controlado por el atacante y con la verificaci\u00f3n SSL deshabilitada. El hash del favicon se calcula mediante el hash de la URL del feed y la sal, sin incluir las siguientes variables: direcci\u00f3n del proxy, protocolo del proxy y si se debe verificar SSL. Por lo tanto, es posible envenenar el favicon de un feed simplemente interceptando la respuesta del feed y cambiando la URL del sitio web a una donde un atacante controle el favicon del feed. Cualquiera puede reemplazar los faviconos del feed para todos los usuarios. La versi\u00f3n 1.26.2 soluciona este problema.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-349\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.26.2\",\"matchCriteriaId\":\"5750A689-0869-499D-8A26-E5088B31DDF4\"}]}]}],\"references\":[{\"url\":\"https://github.com/FreshRSS/FreshRSS/commit/3776e1e48f33e80eb4b674bb64b419caf3b5a4e2\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-8f79-3q3w-43c4\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.