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    6 vulnerabilities by webrecorder

    CVE-2026-54501 (GCVE-0-2026-54501)

    Vulnerability from nvd – Published: 2026-09-17 20:15 – Updated: 2026-09-17 20:23
    VLAI
    Title
    Browsertrix: Arbitrary Command Injection due to Improper Command Sanitization in Git URLs specified as Custom Behaviors
    Summary
    Browsertrix is a high-fidelity, browser-based crawling service for web archiving that can be self-hosted or used through Webrecorder's hosted instance. From 1.15.0 until 1.22.8, Browsertrix improperly sanitizes Git URLs specified as Custom Behaviors, allowing command injection through /api/orgs/*/crawlconfigs/validate/custom-behavior. A user with crawler or administrator permission on the specific instance can supply a crafted Git URL that executes arbitrary operating-system commands in the backend pod. Open registration or hosted free-trial access can make the required role broadly obtainable. Successful exploitation can expose, modify, or delete application database records, archived items, browser profiles, storage data, proxy credentials, and other configured service data. This issue is fixed in version 1.22.8.
    Severity
    9.4 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 20:23 UTC
    CWE
    • CWE-20 - Improper Input Validation
    • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    • CWE-250 - Execution with Unnecessary Privileges
    Assigner
    References
    Impacted products
    Vendor Product Version
    webrecorder browsertrix Affected: >= 1.15.0, < 1.22.8
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-58765 (GCVE-0-2025-58765)

    Vulnerability from nvd – Published: 2025-09-09 20:16 – Updated: 2025-09-10 13:22
    VLAI
    Title
    wabac.js has XSS vulnerability in 404 error handling logic
    Summary
    wabac.js provides a full web archive replay system, or 'wayback machine', using Service Workers. A Reflected Cross-Site Scripting (XSS) vulnerability exists in the 404 error handling logic of wabac.js v2.23.10 and below. The parameter `requestURL` (derived from the original request target) is directly embedded into an inline `<script>` block without sanitization or escaping. This allows an attacker to craft a malicious URL that executes arbitrary JavaScript in the victim’s browser. The scope may be limited by CORS policies, depending on the situation in which wabac.js is used. The vulnerability is fixed in wabac.js v2.23.11.
    Severity
    7.1 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-09-10 13:21 UTC
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    webrecorder wabac.js Affected: < 2.23.11
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2021-39286 (GCVE-0-2021-39286)

    Vulnerability from nvd – Published: 2021-08-18 17:31 – Updated: 2024-08-04 02:06
    VLAI
    Summary
    Webrecorder pywb before 2.6.0 allows XSS because it does not ensure that Jinja2 templates are autoescaped.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Show details on NVD website
    To clipboard 

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    CVE-2026-54501 (GCVE-0-2026-54501)

    Vulnerability from cvelistv5 – Published: 2026-09-17 20:15 – Updated: 2026-09-17 20:23
    VLAI
    Title
    Browsertrix: Arbitrary Command Injection due to Improper Command Sanitization in Git URLs specified as Custom Behaviors
    Summary
    Browsertrix is a high-fidelity, browser-based crawling service for web archiving that can be self-hosted or used through Webrecorder's hosted instance. From 1.15.0 until 1.22.8, Browsertrix improperly sanitizes Git URLs specified as Custom Behaviors, allowing command injection through /api/orgs/*/crawlconfigs/validate/custom-behavior. A user with crawler or administrator permission on the specific instance can supply a crafted Git URL that executes arbitrary operating-system commands in the backend pod. Open registration or hosted free-trial access can make the required role broadly obtainable. Successful exploitation can expose, modify, or delete application database records, archived items, browser profiles, storage data, proxy credentials, and other configured service data. This issue is fixed in version 1.22.8.
    Severity
    9.4 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-17 20:23 UTC
    CWE
    • CWE-20 - Improper Input Validation
    • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
    • CWE-250 - Execution with Unnecessary Privileges
    Assigner
    References
    Impacted products
    Vendor Product Version
    webrecorder browsertrix Affected: >= 1.15.0, < 1.22.8
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-58765 (GCVE-0-2025-58765)

    Vulnerability from cvelistv5 – Published: 2025-09-09 20:16 – Updated: 2025-09-10 13:22
    VLAI
    Title
    wabac.js has XSS vulnerability in 404 error handling logic
    Summary
    wabac.js provides a full web archive replay system, or 'wayback machine', using Service Workers. A Reflected Cross-Site Scripting (XSS) vulnerability exists in the 404 error handling logic of wabac.js v2.23.10 and below. The parameter `requestURL` (derived from the original request target) is directly embedded into an inline `<script>` block without sanitization or escaping. This allows an attacker to craft a malicious URL that executes arbitrary JavaScript in the victim’s browser. The scope may be limited by CORS policies, depending on the situation in which wabac.js is used. The vulnerability is fixed in wabac.js v2.23.11.
    Severity
    7.1 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-09-10 13:21 UTC
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    webrecorder wabac.js Affected: < 2.23.11
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2021-39286 (GCVE-0-2021-39286)

    Vulnerability from cvelistv5 – Published: 2021-08-18 17:31 – Updated: 2024-08-04 02:06
    VLAI
    Summary
    Webrecorder pywb before 2.6.0 allows XSS because it does not ensure that Jinja2 templates are autoescaped.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    References
    Show details on NVD website
    To clipboard 

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