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Fencer Vulns
high 8.8

CVE-2021-24192 json

Tree Sitemap < 2.9 - Arbitrary Plugin Installation/Activation via Low Privilege User

published 2021-05-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11106

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the Tree Sitemap WordPress plugin before 2.9, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.

Patch / fix

  • sitemap_project sitemap 2.9

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/74889e29-5349-43d1-baf5-1622493be90c referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • wp-buy Tree Sitemap (Pages, Posts & Categories list)

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns 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.