Cyber Resilience

CVE-2021-25120

MediumPublic PoC

Published: 18 April 2022

Published
18 April 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.2558 96.4th percentile
Risk Priority 28 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25120 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Easysocialfeed Easy Social Feed. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 3.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The Easy Social Feed Free and Pro WordPress plugins before 6.2.7 do not sanitise some of their parameters used via AJAX actions before outputting them back in the response, leading to Reflected Cross-Site Scripting issues

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

easysocialfeed
easy social feed
≤ 6.2.7 · ≤ 6.3.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References