Vulnerability-Lookup

OPENSUSE-SU-2026:21383-1

Vulnerability from csaf_opensuse - Published: 2026-07-20 14:36 - Updated: 2026-09-17 17:39

Summary

Security update for beets

Severity

Moderate

Notes

Title of the patch: Security update for beets

Description of the patch: This update for beets fixes the following issues: Changes in beets: - CVE-2026-42052: Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode <%= ... %> for untrusted metadata fields. (boo#1263988)

Patchnames: openSUSE-Leap-16.0-packagehub-434

CVE-2026-42052

Affected products

Recommended 1 product

Product	Identifier	Version	Remediation
Unresolved product id: openSUSE Leap 16.0:beets-0:2.2.0-bp160.2.1.noarch		—	Vendor Fix

Threats

Impact moderate

References

6 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://bugzilla.suse.com/1263988	self
https://www.suse.com/security/cve/CVE-2026-42052/	self
https://www.suse.com/security/cve/CVE-2026-42052	external
https://bugzilla.suse.com/1263988	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for beets",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for beets fixes the following issues:\n\nChanges in beets:\n\n- CVE-2026-42052: Prior to version 2.10.0, the bundled web UI uses Underscore\n  template interpolation mode \u003c%= ... %\u003e for untrusted metadata fields. (boo#1263988)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "openSUSE-Leap-16.0-packagehub-434",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
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      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_21383-1.json"
      },
      {
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        "summary": "SUSE Bug 1263988",
        "url": "https://bugzilla.suse.com/1263988"
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      {
        "category": "self",
        "summary": "SUSE CVE CVE-2026-42052 page",
        "url": "https://www.suse.com/security/cve/CVE-2026-42052/"
      }
    ],
    "title": "Security update for beets",
    "tracking": {
      "current_release_date": "2026-09-17T17:39:26Z",
      "generator": {
        "date": "2026-07-20T14:36:24Z",
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          "version": "1"
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      },
      "id": "openSUSE-SU-2026:21383-1",
      "initial_release_date": "2026-07-20T14:36:24Z",
      "revision_history": [
        {
          "date": "2026-07-20T14:36:24Z",
          "number": "1",
          "summary": "Current version"
        },
        {
          "date": "2026-09-16T20:42:35Z",
          "number": "2",
          "summary": "unknown changes"
        },
        {
          "date": "2026-09-16T21:44:21Z",
          "number": "3",
          "summary": "unknown changes"
        },
        {
          "date": "2026-09-17T17:39:26Z",
          "number": "4",
          "summary": "unknown changes"
        }
      ],
      "status": "final",
      "version": "4"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "beets-0:2.2.0-bp160.2.1.noarch",
                "product": {
                  "name": "beets-0:2.2.0-bp160.2.1.noarch",
                  "product_id": "beets-0:2.2.0-bp160.2.1.noarch",
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                    "purl": "pkg:rpm/suse/beets@2.2.0-bp160.2.1?arch=noarch"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "openSUSE Leap 16.0",
                "product": {
                  "name": "openSUSE Leap 16.0",
                  "product_id": "openSUSE Leap 16.0"
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
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        "category": "default_component_of",
        "full_product_name": {
          "name": "beets-0:2.2.0-bp160.2.1.noarch as component of openSUSE Leap 16.0",
          "product_id": "openSUSE Leap 16.0:beets-0:2.2.0-bp160.2.1.noarch"
        },
        "product_reference": "beets-0:2.2.0-bp160.2.1.noarch",
        "relates_to_product_reference": "openSUSE Leap 16.0"
      }
    ]
  },
  "vulnerabilities": [
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          "text": "https://www.suse.com/security/cve/CVE-2026-42052"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode \u003c%= ... %\u003e for untrusted metadata fields. In this runtime, \u003c%= ... %\u003e is raw insertion and HTML escaping is only performed by \u003c%- ... %\u003e. Rendered output is then inserted with .html(...), allowing attacker-controlled markup to become active DOM. This issue has been patched in version 2.10.0.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 16.0:beets-0:2.2.0-bp160.2.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-42052",
          "url": "https://www.suse.com/security/cve/CVE-2026-42052"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1263988 for CVE-2026-42052",
          "url": "https://bugzilla.suse.com/1263988"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 16.0:beets-0:2.2.0-bp160.2.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-07-20T14:36:24Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-42052"
    }
  ]
}

CVE-2026-42052 (GCVE-0-2026-42052)

Vulnerability from cvelistv5 – Published: 2026-05-04 17:06 – Updated: 2026-06-23 21:33

Title

beets is Vulnerable to XSS

Summary

Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode <%= ... %> for untrusted metadata fields. In this runtime, <%= ... %> is raw insertion and HTML escaping is only performed by <%- ... %>. Rendered output is then inserted with .html(...), allowing attacker-controlled markup to become active DOM. This issue has been patched in version 2.10.0.

Severity

6 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-05 13:07 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7580 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/beetbox/beets/security/advisor…	x_refsource_CONFIRM
https://github.com/beetbox/beets/releases/tag/v2.10.0	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2026…

Impacted products

1 product

Vendor	Product	Version
beetbox	beets	Affected: < 2.10.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-42052",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-05T13:07:05.509400Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-05T14:14:52.313Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-06-23T21:33:30.608Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2026/06/msg00030.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "beets",
          "vendor": "beetbox",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.10.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Beets is the media library management system. Prior to version 2.10.0, the bundled web UI uses Underscore template interpolation mode \u003c%= ... %\u003e for untrusted metadata fields. In this runtime, \u003c%= ... %\u003e is raw insertion and HTML escaping is only performed by \u003c%- ... %\u003e. Rendered output is then inserted with .html(...), allowing attacker-controlled markup to become active DOM. This issue has been patched in version 2.10.0."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 6,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-04T17:06:23.162Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/beetbox/beets/security/advisories/GHSA-3gxm-wfjx-m847",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/beetbox/beets/security/advisories/GHSA-3gxm-wfjx-m847"
        },
        {
          "name": "https://github.com/beetbox/beets/releases/tag/v2.10.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/beetbox/beets/releases/tag/v2.10.0"
        }
      ],
      "source": {
        "advisory": "GHSA-3gxm-wfjx-m847",
        "discovery": "UNKNOWN"
      },
      "title": "beets is Vulnerable to XSS"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-42052",
    "datePublished": "2026-05-04T17:06:23.162Z",
    "dateReserved": "2026-04-23T16:05:01.710Z",
    "dateUpdated": "2026-06-23T21:33:30.608Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OPENSUSE-SU-2026:21383-1

CVE-2026-42052 (GCVE-0-2026-42052)

Tags

Sightings

Nomenclature

Related by attack behaviour