How severe is CVE-2020-35948?

CVE-2020-35948 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-35948 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35948?

CVE-2020-35948 affects Xcloner. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35948?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-35948 published?

CVE-2020-35948 was published on 2021-01-01 and last updated on 2026-06-17.

CVE-2020-35948

CVE-2020-35948 is a critical-severity vulnerability in Xcloner with a CVSS 3.x base score of 9.9. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v2: 6.5
EPSS exploit prediction: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Xcloner
Published: 2021-01-01
Last modified: 2026-06-17

Description

An issue was discovered in the XCloner Backup and Restore plugin before 4.2.13 for WordPress. It gave authenticated attackers the ability to modify arbitrary files, including PHP files. Doing so would allow an attacker to achieve remote code execution. The xcloner_restore.php write_file_action could overwrite wp-config.php, for example. Alternatively, an attacker could create an exploit chain to obtain a database dump.

Frequently asked questions

What is CVE-2020-35948?: An issue was discovered in the XCloner Backup and Restore plugin before 4.2.13 for WordPress. It gave authenticated attackers the ability to modify arbitrary files, including PHP files. Doing so would allow an attacker to achieve remote code execution. The xcloner_restore.php write_file_action could overwrite wp-config.php, for example. Alternatively, an attacker could create an exploit chain to obtain a database dump.
How severe is CVE-2020-35948?: CVE-2020-35948 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-35948 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35948?: CVE-2020-35948 affects Xcloner. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35948?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-35948 published?: CVE-2020-35948 was published on 2021-01-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xcloner:xcloner:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Xcloner

CVE-2020-35950 — Critical (CVSS 9.8): An issue was discovered in the XCloner Backup and Restore plugin before 4.2.153 for WordPress. It allows CSRF (via…
CVE-2014-2579 — High (CVSS 7.6): Multiple cross-site request forgery (CSRF) vulnerabilities in XCloner Standalone 3.5 and earlier allow remote attackers…
CVE-2014-2996 — High (CVSS 7.1): XCloner Standalone 3.5 and earlier, when enable_db_backup and sql_mem are enabled, allows remote authenticated…
CVE-2014-2340 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in the XCloner plugin before 3.1.1 for WordPress allows remote…
CVE-2020-13424 — Medium (CVSS 6.5): The XCloner component before 3.5.4 for Joomla! allows Authenticated Local File Disclosure.
CVE-2015-4338 — Medium (CVSS 6.5): Static code injection vulnerability in the XCloner plugin 3.1.2 for WordPress allows remote authenticated users to…

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Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →