CWE-22

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                "id": "CVE-2026-104025",
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                  {
                    "Exploitation": "none"
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                  {
                    "Automatable": "no"
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                  {
                    "Technical Impact": "total"
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                "role": "CISA Coordinator",
                "timestamp": "2026-10-15T13:11:06.146482Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          "dateUpdated": "2026-10-15T13:11:13.654Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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      "affected": [
        {
          "collectionURL": "https://github.com/peazip/PeaZip/releases",
          "cpes": [
            "cpe:2.3:a:peazip:peazip:*:*:*:*:*:*:windows:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "archive object preview/open (execute_obj in peach.pas)"
          ],
          "platforms": [
            "Windows"
          ],
          "product": "PeaZip",
          "programFiles": [
            "peazip-sources/dev/peach.pas",
            "peazip-sources/dev/list_utils.pas"
          ],
          "programRoutines": [
            {
              "name": "execute_obj"
            },
            {
              "name": "checkfiledirname"
            }
          ],
          "repo": "https://github.com/peazip/PeaZip",
          "vendor": "PeaZip",
          "versions": [
            {
              "lessThan": "11.3.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "cgomezpob"
        },
        {
          "lang": "en",
          "type": "analyst",
          "value": "Dario Rivas Quero"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Secur0 CNA"
        }
      ],
      "datePublic": "2026-09-03T00:00:00.000Z",
      "descriptions": [
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              "value": "\u003cp\u003ePath Traversal (CWE-22) in the \u003ccode\u003eexecute_obj\u003c/code\u003e function of the archive object viewer (\u003ccode\u003epeach.pas\u003c/code\u003e) in PeaZip 11.2.0 and earlier on Windows allows an attacker who convinces a victim to preview an entry of a crafted archive via the \"Preview with... -\u0026gt; Associated application\" action (\u003ccode\u003eShift+Ctrl+O\u003c/code\u003e) to execute an arbitrary program already present on the victim\u0027s system, with no warning dialog. The function validates only \u003ccode\u003eoutname\u003c/code\u003e (PeaZip\u0027s own temporary directory) with \u003ccode\u003echeckfiledirname\u003c/code\u003e, while the string actually executed is the concatenation \u003ccode\u003eoutname+tempstring\u003c/code\u003e; \u003ccode\u003etempstring\u003c/code\u003e is taken verbatim from the archive entry name (\u003ccode\u003eStringGridList.Cells[12,...]\u003c/code\u003e) and is never validated. \u003ccode\u003echeckfiledirname\u003c/code\u003e (\u003ccode\u003elist_utils.pas\u003c/code\u003e) rejects control and reserved characters in the file name but performs no \"..\" path-containment check, so an entry named \u003ccode\u003e../../../../Windows/System32/calc.exe\u003c/code\u003e escapes the extraction directory and is passed to \u003ccode\u003ecp_open\u003c/code\u003e -\u0026gt; \u003ccode\u003eShellExecuteW\u003c/code\u003e; the extracting backend (7-Zip) strips the traversal while the opener does not. In addition, the \u003ccode\u003eSECEXTCONST\u003c/code\u003e dangerous-extension confirmation prompt is implemented only in the double-click handler (\u003ccode\u003egrid_obj_open\u003c/code\u003e) and not on this preview route, so an executable inside an archive reaches \u003ccode\u003eShellExecuteW\u003c/code\u003e unannounced, and where the prompt does fire it names the entry\u0027s display name rather than the resolved path that will run. Arbitrary code execution was demonstrated with a proof of concept against official PeaZip builds, confirmed on two archive formats (.zip and .tar) to show the defect is in PeaZip\u0027s own path handling and not in a single format parser.\u003c/p\u003e"
            }
          ],
          "value": "Path Traversal (CWE-22) in the execute_obj function of the archive object viewer (peach.pas) in PeaZip 11.2.0 and earlier on Windows allows an attacker who convinces a victim to preview an entry of a crafted archive via the \"Preview with... -\u003e Associated application\" action (Shift+Ctrl+O) to execute an arbitrary program already present on the victim\u0027s system, with no warning dialog. The function validates only outname (PeaZip\u0027s own temporary directory) with checkfiledirname, while the string actually executed is the concatenation outname+tempstring; tempstring is taken verbatim from the archive entry name (StringGridList.Cells[12,...]) and is never validated. checkfiledirname (list_utils.pas) rejects control and reserved characters in the file name but performs no \"..\" path-containment check, so an entry named ../../../../Windows/System32/calc.exe escapes the extraction directory and is passed to cp_open -\u003e ShellExecuteW; the extracting backend (7-Zip) strips the traversal while the opener does not. In addition, the SECEXTCONST dangerous-extension confirmation prompt is implemented only in the double-click handler (grid_obj_open) and not on this preview route, so an executable inside an archive reaches ShellExecuteW unannounced, and where the prompt does fire it names the entry\u0027s display name rather than the resolved path that will run. Arbitrary code execution was demonstrated with a proof of concept against official PeaZip builds, confirmed on two archive formats (.zip and .tar) to show the defect is in PeaZip\u0027s own path handling and not in a single format parser."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-126",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-126 Path Traversal"
            }
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      ],
      "metrics": [
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          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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              "cweId": "CWE-22",
              "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
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              "type": "CWE"
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              "cweId": "CWE-693",
              "description": "CWE-693 Protection Mechanism Failure",
              "lang": "en",
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      "providerMetadata": {
        "dateUpdated": "2026-10-15T12:00:49.995Z",
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          "tags": [
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          "url": "https://github.com/peazip/PeaZip/commit/009fc35530e26729863969eddf4c18f1b48331cf"
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          "tags": [
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          "url": "https://secur0.com/en/cna/cve-list/cve-2026-104025-path-traversal-in-peazip-object-preview"
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      "solutions": [
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          "lang": "en",
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              "value": "\u003cp\u003eUpgrade to PeaZip 11.3.0 or higher. The fix sanitizes the archive entry name used to build the executed path (\u003ccode\u003esanitizenamestr\u003c/code\u003e, stripping \u003ccode\u003e../\u003c/code\u003e and \u003ccode\u003e..\\\u003c/code\u003e sequences) and enforces that the resolved path stays inside the extraction directory (\u003ccode\u003esanitizepath\u003c/code\u003e, via \u003ccode\u003eExpandFileName\u003c/code\u003e containment) in \u003ccode\u003eexecute_obj\u003c/code\u003e, and extends the dangerous-extension check to the \"Open/Preview with associated application\" route, not only the double-click event. Fix commit \u003ccode\u003e009fc35\u003c/code\u003e (2026-09-03).\u003c/p\u003e"
            }
          ],
          "value": "Upgrade to PeaZip 11.3.0 or higher. The fix sanitizes the archive entry name used to build the executed path (sanitizenamestr, stripping ../ and ..\\ sequences) and enforces that the resolved path stays inside the extraction directory (sanitizepath, via ExpandFileName containment) in execute_obj, and extends the dangerous-extension check to the \"Open/Preview with associated application\" route, not only the double-click event. Fix commit 009fc35 (2026-09-03)."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "tags": [
        "x_open-source"
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    "dateReserved": "2026-10-01T17:09:25.587Z",
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        "title": "CISA ADP Vulnrichment"
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          "defaultStatus": "unaffected",
          "product": "10Web Booster \u2013 Website speed optimization, Cache \u0026 Page Speed optimizer",
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          "type": "finder",
          "value": "Swayam Bhageria"
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          "value": "The 10Web Booster \u2013 Website speed optimization, Cache \u0026 Page Speed optimizer plugin for WordPress is vulnerable to a limited file write via path traversal in versions up to, and including, 2.34.5 This is due to the OptimizerWebPageCache::get_cache_file_dir() function concatenating raw, unsanitized $_GET parameter names and values into the on-disk cache path, and the cache_content() sink calling mkdir() and file_put_contents() on the result with no realpath containment check \u2014 unlike the sibling delete_page_cache(), which does perform one. This makes it possible for unauthenticated attackers to create arbitrary directories (mode 0777, recursively) outside the cache root and write a cached page into them. The write is LIMITED: the filename is always \u0027source.html\u0027, so the extension is fixed, and the content is the rendered page buffer rather than attacker-supplied data. PHP files cannot be written and code execution is not possible; the demonstrated impact is cache poisoning and arbitrary directory creation."
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        "dateUpdated": "2026-10-16T05:30:24.365Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
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          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/83e672e7-2483-46e9-ae16-a9e7ccc4bcb8?source=cve"
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        {
          "url": "https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/includes/WebPageCache/OptimizerWebPageCache.php#L205"
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          "url": "https://plugins.trac.wordpress.org/browser/tenweb-speed-optimizer/tags/2.34.5/includes/WebPageCache/OptimizerWebPageCache.php#L190"
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          "lang": "en",
          "time": "2026-10-01T14:06:02.000Z",
          "value": "Vendor Notified"
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          "time": "2026-10-15T17:03:48.000Z",
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      "title": "10Web Booster \u003c= 2.34.5 - Unauthenticated Limited File Write / Cache Poisoning via Query-string Parameter Traversal in Page-Cache Path"
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