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resteasy3.0 — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2020-10688

A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An attacker could use this flaw to launch a reflected XSS attack.

Products
resteasy3.0
Affected versions
Not specified
Fixed versions
3.0.26-4
CVEs
CVE-2020-10688
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 12:28 UTC · Revision 1

Source evidence

DEBIAN-CVE-2020-10688

core-osv · Original source

Published 27 May 2021, 19:15 UTC

A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An attacker could use this flaw to launch a reflected XSS attack.

osv:DEBIAN-CVE-2020-10688

resteasy3.0

Fixed versions: 3.0.26-4

resteasy3.0

Fixed versions: 3.0.26-4

resteasy3.0

Fixed versions: 3.0.26-4

Complete source record
{
  "id": "1f86e8a58c84206683178738c2bb67de9be4cb25df1ea4e7a657d804c94b9907",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-10688",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2020-10688",
    "summary": "A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An attacker could use this flaw to launch a reflected XSS attack.",
    "evidence": "osv:DEBIAN-CVE-2020-10688",
    "products": [
      {
        "name": {
          "value": "resteasy3.0",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.26-4",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "resteasy3.0",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.26-4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "resteasy3.0",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.26-4",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2020-10688",
      "aliases": [
        "DEBIAN-CVE-2020-10688"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.26-4"
                }
              ]
            }
          ],
          "package": {
            "name": "resteasy3.0",
            "purl": "pkg:deb/debian/resteasy3.0?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-10688.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.26-4"
                }
              ]
            }
          ],
          "package": {
            "name": "resteasy3.0",
            "purl": "pkg:deb/debian/resteasy3.0?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-10688.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.26-4"
                }
              ]
            }
          ],
          "package": {
            "name": "resteasy3.0",
            "purl": "pkg:deb/debian/resteasy3.0?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-10688.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T12:00:15.628863883Z",
      "provider": "osv",
      "upstream": [
        "CVE-2020-10688"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2020-10688"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2020-10688",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 451042,
  "published_at": "2021-05-27T19:15:07.643+00:00"
}