CVE-2021-24237: Realteo < 1.2.4 - Unauthenticated Reflected Cross-Site Scripting (XSS)

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-04-22 · updated 2026-06-17
Weakness: CWE-79

Description

The Realteo WordPress plugin before 1.2.4, used by the Findeo Theme, did not properly sanitise the keyword_search, search_radius. _bedrooms and _bathrooms GET parameters before outputting them in its properties page, leading to an unauthenticated reflected Cross-Site Scripting issue.

Affected products

PureThemes Findeo: before 1.3.1 — fixed in 1.3.1
PureThemes Realteo: before 1.2.4 — fixed in 1.2.4

How to fix

Upgrade to a fixed version: PureThemes Findeo 1.3.1; PureThemes Realteo 1.2.4. Check the vendor advisory for mitigations.

References

https://m0ze.ru/vulnerability/%5B2021-03-20%5D-%5BWordPress%5D-%5BCWE-79%5D-Findeo-WordPress-Theme-v1.3.0.txt
https://m0ze.ru/vulnerability/%5B2021-03-20%5D-%5BWordPress%5D-%5BCWE-79%5D-Realteo-WordPress-Plugin-v1.2.3.txt
https://wpscan.com/vulnerability/087b27c4-289e-410f-af74-828a608a4e1e
https://www.docs.purethemes.net/findeo/knowledge-base/changelog-findeo/
https://m0ze.ru/vulnerability/%5B2021-03-20%5D-%5BWordPress%5D-%5BCWE-79%5D-Findeo-WordPress-Theme-v1.3.0.txt
https://m0ze.ru/vulnerability/%5B2021-03-20%5D-%5BWordPress%5D-%5BCWE-79%5D-Realteo-WordPress-Plugin-v1.2.3.txt
https://wpscan.com/vulnerability/087b27c4-289e-410f-af74-828a608a4e1e
https://www.docs.purethemes.net/findeo/knowledge-base/changelog-findeo/

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