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    4 vulnerabilities found for PDF::WebKit by MITHALDU

    CVE-2026-17431 (GCVE-0-2026-17431)

    Vulnerability from nvd – Published: 2026-08-12 23:12 – Updated: 2026-08-13 13:09
    VLAI
    Title
    PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for
    Summary
    PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for. to_pdf reads the generated PDF back from its path argument, and _style_tag_for reads each entry of the stylesheets list, by assigning the path to a local @ARGV and reading it with the diamond operator, which opens each @ARGV element with Perl's 2-arg open(). A value that begins or ends with a pipe ("| cmd", "cmd |") is run as a command rather than opened as a file, and one that begins with a redirect ("> path", ">> path") opens that path for write or append. to_file forwards its path argument to to_pdf and reaches the same read. Any caller that forwards untrusted input as the output path or as a stylesheets entry can run a command under the process UID; with the "cmd |" form the command's output is returned in place of the PDF, and with the "> path" form the named file is truncated. Stylesheets may only be added to an HTML source, so a URL or file source exposes the output path alone.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-13 13:09 UTC
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    • CWE-73 - External Control of File Name or Path
    Assigner
    References
    Impacted products
    Vendor Product Version
    MITHALDU PDF::WebKit Affected: 0 , ≤ 1.2 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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        ],
        "title": "CVE Program Container"
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        "metrics": [
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                "id": "CVE-2026-17431",
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    ],
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            "lib/PDF/WebKit.pm"
          ],
          "programRoutines": [
            {
              "name": "PDF::WebKit::to_pdf"
            },
            {
              "name": "PDF::WebKit::to_file"
            },
            {
              "name": "PDF::WebKit::_style_tag_for"
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              "type": "CWE"
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              "cweId": "CWE-73",
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          "url": "https://github.com/kingpong/perl-PDF-WebKit/issues/8"
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          "url": "https://security.metacpan.org/patches/P/PDF-WebKit/1.2/CVE-2026-17431-r1.patch"
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          "url": "https://wkhtmltopdf.org/status.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for",
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    CVE-2026-16770 (GCVE-0-2026-16770)

    Vulnerability from nvd – Published: 2026-08-12 23:12 – Updated: 2026-08-13 13:08
    VLAI
    Title
    PDF::WebKit versions through 1.2 for Perl allow argument injection into wkhtmltopdf via meta tags in the source document
    Summary
    PDF::WebKit versions through 1.2 for Perl allow argument injection into wkhtmltopdf via meta tags in the source document. For an HTML string or file source, the constructor collects every <meta name="pdf-webkit-KEY" content="VALUE"> element in the document head through _pdf_webkit_meta_tags and turns each one into a wkhtmltopdf command line option. KEY is normalized to an option name matching --[a-z0-9-]+ but is not checked against an allow list, VALUE is passed through unchanged as the argument that follows it, and a VALUE of "yes" emits the option as a bare flag. BUILD merges the meta derived options last, so they also override the module defaults and the options passed to new. Switches such as --enable-local-file-access and --cookie-jar are reachable this way. The renderer is executed with an argument list rather than a shell command, so this is argument injection and not shell injection. Any caller that renders untrusted HTML lets the document choose the renderer's options and override those set by the application, including options that read local files into the resulting PDF or write to a chosen path. A URL source is not scanned, and the scan is skipped when XML::LibXML, a recommended dependency, is not installed.
    Severity
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-13 13:08 UTC
    CWE
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    MITHALDU PDF::WebKit Affected: 0 , ≤ 1.2 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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              "name": "PDF::WebKit::BUILD"
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              "name": "PDF::WebKit::_find_options_in_meta"
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    CVE-2026-17431 (GCVE-0-2026-17431)

    Vulnerability from cvelistv5 – Published: 2026-08-12 23:12 – Updated: 2026-08-13 13:09
    VLAI
    Title
    PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for
    Summary
    PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for. to_pdf reads the generated PDF back from its path argument, and _style_tag_for reads each entry of the stylesheets list, by assigning the path to a local @ARGV and reading it with the diamond operator, which opens each @ARGV element with Perl's 2-arg open(). A value that begins or ends with a pipe ("| cmd", "cmd |") is run as a command rather than opened as a file, and one that begins with a redirect ("> path", ">> path") opens that path for write or append. to_file forwards its path argument to to_pdf and reaches the same read. Any caller that forwards untrusted input as the output path or as a stylesheets entry can run a command under the process UID; with the "cmd |" form the command's output is returned in place of the PDF, and with the "> path" form the named file is truncated. Stylesheets may only be added to an HTML source, so a URL or file source exposes the output path alone.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-13 13:09 UTC
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    • CWE-73 - External Control of File Name or Path
    Assigner
    References
    Impacted products
    Vendor Product Version
    MITHALDU PDF::WebKit Affected: 0 , ≤ 1.2 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-17431",
    "datePublished": "2026-08-12T23:12:57.958Z",
    "dateReserved": "2026-07-25T08:39:34.495Z",
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    CVE-2026-16770 (GCVE-0-2026-16770)

    Vulnerability from cvelistv5 – Published: 2026-08-12 23:12 – Updated: 2026-08-13 13:08
    VLAI
    Title
    PDF::WebKit versions through 1.2 for Perl allow argument injection into wkhtmltopdf via meta tags in the source document
    Summary
    PDF::WebKit versions through 1.2 for Perl allow argument injection into wkhtmltopdf via meta tags in the source document. For an HTML string or file source, the constructor collects every <meta name="pdf-webkit-KEY" content="VALUE"> element in the document head through _pdf_webkit_meta_tags and turns each one into a wkhtmltopdf command line option. KEY is normalized to an option name matching --[a-z0-9-]+ but is not checked against an allow list, VALUE is passed through unchanged as the argument that follows it, and a VALUE of "yes" emits the option as a bare flag. BUILD merges the meta derived options last, so they also override the module defaults and the options passed to new. Switches such as --enable-local-file-access and --cookie-jar are reachable this way. The renderer is executed with an argument list rather than a shell command, so this is argument injection and not shell injection. Any caller that renders untrusted HTML lets the document choose the renderer's options and override those set by the application, including options that read local files into the resulting PDF or write to a chosen path. A URL source is not scanned, and the scan is skipped when XML::LibXML, a recommended dependency, is not installed.
    Severity
    9.8 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-13 13:08 UTC
    CWE
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    MITHALDU PDF::WebKit Affected: 0 , ≤ 1.2 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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        "providerMetadata": {
          "dateUpdated": "2026-08-13T02:53:49.972Z",
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              "attackComplexity": "LOW",
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              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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      "affected": [
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          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "PDF-WebKit",
          "product": "PDF::WebKit",
          "programFiles": [
            "lib/PDF/WebKit.pm"
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          "programRoutines": [
            {
              "name": "PDF::WebKit::BUILD"
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            {
              "name": "PDF::WebKit::_find_options_in_meta"
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            {
              "name": "PDF::WebKit::_pdf_webkit_meta_tags"
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          "repo": "https://github.com/kingpong/perl-PDF-WebKit",
          "vendor": "MITHALDU",
          "versions": [
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              "lessThanOrEqual": "1.2",
              "status": "affected",
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          "lang": "en",
          "value": "PDF::WebKit versions through 1.2 for Perl allow argument injection into wkhtmltopdf via meta tags in the source document.\n\nFor an HTML string or file source, the constructor collects every \u003cmeta name=\"pdf-webkit-KEY\" content=\"VALUE\"\u003e element in the document head through _pdf_webkit_meta_tags and turns each one into a wkhtmltopdf command line option. KEY is normalized to an option name matching --[a-z0-9-]+ but is not checked against an allow list, VALUE is passed through unchanged as the argument that follows it, and a VALUE of \"yes\" emits the option as a bare flag. BUILD merges the meta derived options last, so they also override the module defaults and the options passed to new. Switches such as --enable-local-file-access and --cookie-jar are reachable this way. The renderer is executed with an argument list rather than a shell command, so this is argument injection and not shell injection.\n\nAny caller that renders untrusted HTML lets the document choose the renderer\u0027s options and override those set by the application, including options that read local files into the resulting PDF or write to a chosen path. A URL source is not scanned, and the scan is skipped when XML::LibXML, a recommended dependency, is not installed."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-88",
              "description": "CWE-88 Improper Neutralization of Argument Delimiters in a Command (\u0027Argument Injection\u0027)",
              "lang": "en",
              "type": "CWE"
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        "dateUpdated": "2026-08-12T23:12:28.233Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/kingpong/perl-PDF-WebKit/issues/9"
        },
        {
          "tags": [
            "patch"
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          "url": "https://security.metacpan.org/patches/P/PDF-WebKit/1.2/CVE-2026-16770-r1.patch"
        },
        {
          "url": "https://wkhtmltopdf.org/status.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "PDF::WebKit versions through 1.2 for Perl allow argument injection into wkhtmltopdf via meta tags in the source document",
      "workarounds": [
        {
          "lang": "en",
          "value": "No fixed release is available. Apply the patch, which restricts the options taken from meta tags to an allow list of presentational switches with checked values, extensible through the new allowed_meta_options configuration attribute, and merges them before the options passed to new rather than after.\n\nOtherwise, applications that render untrusted HTML should remove meta elements whose name attribute begins with the configured meta_tag_prefix (default \"pdf-webkit-\") before passing the document to new.\n\nNote that the wkhtmltopdf project is no longer being developed, and users of this package should migrate to alternative solutions."
        }
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