Medium severity · published Nov 17, 2021
CVE-2021-24841
The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even…
4.8
CVSS
0.8%
EPSS
No
On KEV
Description
The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
Helpful · Helpful Project
before 4.4.59 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24841
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24841
Exploit
https://mikadmin.fr/tech/XSS-Stored-Helpful-5b10bc7f40ab319f9797eb4abad4f420660.pdf
Exploit
https://wpscan.com/vulnerability/55d11acf-8c47-40da-be47-24f74fd7566e
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