How severe is CVE-2020-13643?

CVE-2020-13643 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-13643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13643?

CVE-2020-13643 affects Siteorigin Page Builder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13643?

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

When was CVE-2020-13643 published?

CVE-2020-13643 was published on 2020-05-28 and last updated on 2026-06-17.

CVE-2020-13643

CVE-2020-13643 is a high-severity vulnerability in Siteorigin Page Builder with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Siteorigin Page Builder
Published: 2020-05-28
Last modified: 2026-06-17

Description

An issue was discovered in the SiteOrigin Page Builder plugin before 2.10.16 for WordPress. The live editor feature did not do any nonce verification, allowing for requests to be forged on behalf of an administrator. The live_editor_panels_data $_POST variable allows for malicious JavaScript to be executed in the victim's browser.

Frequently asked questions

What is CVE-2020-13643?: An issue was discovered in the SiteOrigin Page Builder plugin before 2.10.16 for WordPress. The live editor feature did not do any nonce verification, allowing for requests to be forged on behalf of an administrator. The live_editor_panels_data $_POST variable allows for malicious JavaScript to be executed in the victim's browser.
How severe is CVE-2020-13643?: CVE-2020-13643 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-13643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13643?: CVE-2020-13643 affects Siteorigin Page Builder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13643 published?: CVE-2020-13643 was published on 2020-05-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:siteorigin:page_builder:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Siteorigin Page Builder

CVE-2020-13642 — High (CVSS 8.8): An issue was discovered in the SiteOrigin Page Builder plugin before 2.10.16 for WordPress. The action_builder_content…
CVE-2025-1459 — Medium (CVSS 6.4): The Page Builder by SiteOrigin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Embedded…
CVE-2024-12240 — Medium (CVSS 6.4): The Page Builder by SiteOrigin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the row label…
CVE-2024-4361 — Medium (CVSS 6.4): The Page Builder by SiteOrigin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's…
CVE-2024-2202 — Medium (CVSS 6.4): The Page Builder by SiteOrigin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the legacy Image…

All CVEs affecting Siteorigin Page Builder →

Other CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities

CVE-2025-32642 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in appsbd Vite Coupon vite-coupon allows Remote Code Inclusion.This…
CVE-2025-23922 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in Harsh iSpring Embedder embed-ispring allows Upload a Web Shell to a…
CVE-2017-5145 — Critical (CVSS 10.0): An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11_U05, and VMU-C PV prior to firmware…
CVE-2019-25729 — Critical (CVSS 9.8): PDF Signer 3.0 contains a server-side template injection vulnerability that allows unauthenticated attackers to execute…
CVE-2025-48340 — Critical (CVSS 9.8): Cross-Site Request Forgery (CSRF) vulnerability in Danny Vink User Profile Meta Manager user-profile-meta allows…
CVE-2025-2907 — Critical (CVSS 9.8): The Order Delivery Date WordPress plugin before 12.3.1 does not have authorization and CSRF checks when importing…

Browse all CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities →