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Fencer Intel
high 7.5

CVE-2020-35936 json

Stored Cross-Site Scripting (XSS) vulnerabilities in the Post Grid plugin before 2.0.73 for WordPress allow remote authenticated attackers…

published 5y ago modified 4mo ago also EUVD-2020-23519

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

Stored Cross-Site Scripting (XSS) vulnerabilities in the Post Grid plugin before 2.0.73 for WordPress allow remote authenticated attackers to import layouts including JavaScript supplied via a remotely hosted crafted payload in the source parameter via AJAX. The action must be set to post_grid_import_xml_layouts.

Patch / fix

  • pickplugins post_grid 2.0.73
  • pickplugins team_showcase 1.22.16

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Exploit prediction

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wordfence.com https://www.wordfence.com/blog/2020/10/high-severity-vulnerabilities-in-post-grid-and-team-showcase-plugins/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
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.