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Fencer Intel
high 8.8

CVE-2020-13642 json

An issue was discovered in the SiteOrigin Page Builder plugin before 2.10.16 for WordPress.

published 6y ago modified 4mo ago also EUVD-2020-5884

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

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

Patch / fix

  • siteorigin page_builder 2.10.16

Is CVE-2020-13642 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wordfence.com https://www.wordfence.com/blog/2020/05/vulnerabilities-patched-in-page-builder-by-siteorigin-affects-over-1-million-sites/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:R
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.