{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-10503", "assignerOrgId": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "state": "PUBLISHED", "assignerShortName": "WSO2", "dateReserved": "2025-09-16T04:58:57.289Z", "datePublished": "2026-04-29T08:08:37.335Z", "dateUpdated": "2026-04-29T08:08:37.335Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "shortName": "WSO2", "dateUpdated": "2026-04-29T08:08:37.335Z"}, "title": "Reflected Cross-Site Scripting via Authentication Endpoint in WSO2 Identity Server", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-20", "descriptions": [{"lang": "en", "value": "CAPEC-20 CAPEC-20: Cross-site Scripting"}]}], "affected": [{"vendor": "WSO2", "product": "WSO2 Identity Server", "versions": [{"status": "affected", "version": "7.1.0", "lessThan": "7.1.0.28", "versionType": "custom"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wso2:wso2_identity_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.1.0", "versionEndExcluding": "7.1.0.28"}]}]}], "descriptions": [{"lang": "en", "value": "The authentication endpoint accepts user-supplied input without enforcing expected validation constraints, leading to a lack of proper output encoding. This allows for the injection of malicious JavaScript payloads, enabling reflected cross-site scripting.\n\nAn attacker can leverage this vulnerability to redirect the user's browser to a malicious website, modify the user interface of the web page, retrieve information from the browser, or cause other harmful actions. However, due to the protection of session-related cookies with the httpOnly flag, session hijacking is not possible.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The authentication endpoint accepts user-supplied input without enforcing expected validation constraints, leading to a lack of proper output encoding. This allows for the injection of malicious JavaScript payloads, enabling reflected cross-site scripting.\n\nAn attacker can leverage this vulnerability to redirect the user's browser to a malicious website, modify the user interface of the web page, retrieve information from the browser, or cause other harmful actions. However, due to the protection of session-related cookies with the httpOnly flag, session hijacking is not possible."}]}], "references": [{"url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4577/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}], "solutions": [{"lang": "en", "value": "Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4577/#solution", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span style=\"background-color: transparent;\">Follow the instructions given on </span><a target=\"_blank\" rel=\"nofollow\" href=\"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4577/#solution\"><span style=\"background-color: transparent;\">https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4577/#solution</span></a> <br>"}]}], "source": {"advisory": "WSO2-2025-4577", "discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The authentication endpoint accepts user-supplied input without enforcing expected validation constraints, leading to a lack of proper output encoding. This allows for the injection of malicious JavaScript payloads, enabling reflected cross-site scripting.\n\nAn attacker can leverage this vulnerability to redirect the user's browser to a malicious website, modify the user interface of the web page, retrieve information from the browser, or cause other harmful actions. However, due to the protection of session-related cookies with the httpOnly flag, session hijacking is not possible."}], "id": "CVE-2025-10503", "lastModified": "2026-04-29T09:16:23.663", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "type": "Secondary"}]}, "published": "2026-04-29T09:16:23.663", "references": [{"source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4577/"}], "sourceIdentifier": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[7.1.0,7.1.0.28)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "WSO2 Identity Server", "source": "cna", "vendor": "WSO2"}, "product": "wso2_identity_server", "vendor": "wso2"}], "created": "2026-04-29T09:30:07.150753+00:00", "updated": "2026-04-29T09:30:07.365799+00:00", "vendors": ["wso2", "wso2$PRODUCT$wso2_identity_server"]}