Vulnerability-Lookup

PYSEC-2026-2321

Vulnerability from pysec - Published: 2026-05-08 04:16 - Updated: 2026-07-13 05:52

Details

wlc is a Weblate command-line client using Weblate's REST API. Prior to version 2.0.0, the HTML output format in wlc embeds API response data into HTML without escaping, allowing cross-site scripting when the output is rendered in a browser. This issue has been patched in version 2.0.0.

Severity

4.8 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Impacted products

Name	purl
wlc	pkg:pypi/wlc

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "wlc",
        "purl": "pkg:pypi/wlc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0",
        "0.1",
        "0.10",
        "0.2",
        "0.3",
        "0.4",
        "0.5",
        "0.6",
        "0.7",
        "0.8",
        "0.9",
        "1.0",
        "1.1",
        "1.10",
        "1.11",
        "1.12",
        "1.13",
        "1.14",
        "1.15",
        "1.16.1",
        "1.17.0",
        "1.17.1",
        "1.17.2",
        "1.2",
        "1.3",
        "1.4",
        "1.5",
        "1.6",
        "1.7",
        "1.8",
        "1.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42150",
    "GHSA-gx2m-mcc2-r4p3"
  ],
  "details": "wlc is a Weblate command-line client using Weblate\u0027s REST API. Prior to version 2.0.0, the HTML output format in wlc embeds API response data into HTML without escaping, allowing cross-site scripting when the output is rendered in a browser. This issue has been patched in version 2.0.0.",
  "id": "PYSEC-2026-2321",
  "modified": "2026-07-13T05:52:36.964517Z",
  "published": "2026-05-08T04:16:18.920Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/WeblateOrg/wlc/releases/tag/2.0.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469"
    },
    {
      "type": "FIX",
      "url": "https://github.com/WeblateOrg/wlc/pull/1327"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-42150 (GCVE-0-2026-42150)

Vulnerability from cvelistv5 – Published: 2026-05-08 03:23 – Updated: 2026-05-08 21:28

Title

wlc: print_html outputs API data without HTML escaping, enabling stored XSS

Summary

Severity

5.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

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

Assigner

GitHub_M

References

4 references

URL	Tags
https://github.com/WeblateOrg/wlc/security/adviso…	x_refsource_CONFIRM
https://github.com/WeblateOrg/wlc/pull/1327	x_refsource_MISC
https://github.com/WeblateOrg/wlc/commit/0f3e58f6…	x_refsource_MISC
https://github.com/WeblateOrg/wlc/releases/tag/2.0.0	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
WeblateOrg	wlc	Affected: < 2.0.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-42150",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-08T14:32:14.516536Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-08T21:28:38.342Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "wlc",
          "vendor": "WeblateOrg",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.0.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "wlc is a Weblate command-line client using Weblate\u0027s REST API. Prior to version 2.0.0, the HTML output format in wlc embeds API response data into HTML without escaping, allowing cross-site scripting when the output is rendered in a browser. This issue has been patched in version 2.0.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L",
            "version": "3.1"
          }
        }
      ],
      "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": "2026-05-08T03:23:12.234Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3"
        },
        {
          "name": "https://github.com/WeblateOrg/wlc/pull/1327",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/wlc/pull/1327"
        },
        {
          "name": "https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469"
        },
        {
          "name": "https://github.com/WeblateOrg/wlc/releases/tag/2.0.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/wlc/releases/tag/2.0.0"
        }
      ],
      "source": {
        "advisory": "GHSA-gx2m-mcc2-r4p3",
        "discovery": "UNKNOWN"
      },
      "title": "wlc: print_html outputs API data without HTML escaping, enabling stored XSS"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-42150",
    "datePublished": "2026-05-08T03:23:12.234Z",
    "dateReserved": "2026-04-24T17:15:21.835Z",
    "dateUpdated": "2026-05-08T21:28:38.342Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-GX2M-MCC2-R4P3

Vulnerability from github – Published: 2026-04-24 20:43 – Updated: 2026-05-12 13:27

Summary

wlc: print_html outputs API data without HTML escaping

Details

Impact

The HTML output format in wlc embeds API response data into HTML without escaping, allowing cross-site scripting when the output is rendered in a browser.

Patches

https://github.com/WeblateOrg/wlc/pull/1327

Workarounds

The only vulnerable code path is HTML output which is opt-in.

References

Weblate thanks @fg0x0 for reporting this on GitHub.

Severity

5.1 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wlc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-42150"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-24T20:43:30Z",
    "nvd_published_at": "2026-05-08T04:16:18Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nThe HTML output format in wlc embeds API response data into HTML without escaping, allowing cross-site scripting when the output is rendered in a browser.\n\n\n### Patches\n* https://github.com/WeblateOrg/wlc/pull/1327\n\n### Workarounds\nThe only vulnerable code path is HTML output which is opt-in.\n\n### References\nWeblate thanks @fg0x0 for reporting this on GitHub.",
  "id": "GHSA-gx2m-mcc2-r4p3",
  "modified": "2026-05-12T13:27:31Z",
  "published": "2026-04-24T20:43:30Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-gx2m-mcc2-r4p3"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42150"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/pull/1327"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/commit/0f3e58f6d7457b05d48ef40f579a172c4c8b8469"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/wlc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/releases/tag/2.0.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "wlc: print_html outputs API data without HTML escaping"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

PYSEC-2026-2321

CVE-2026-42150 (GCVE-0-2026-42150)

GHSA-GX2M-MCC2-R4P3

Impact

Patches

Workarounds

References

Tags

Sightings

Nomenclature