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 when the unfiltered_html capability is disallowed

CVSS v3.1

4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

0.73% chance of exploitation in the next 30 days, 52th percentile

Published

2021-11-17

Updated

2024-08-03

Proof-of-concept exploits (2)

• https://mikadmin.fr/tech/XSS-Stored-Helpful-5b10bc7f40ab319f9797eb4abad4f420660.pdf
• https://wpscan.com/vulnerability/55d11acf-8c47-40da-be47-24f74fd7566e

References

• CVE Record
• NVD entry

Related

• CVE-2021-24840
• CVE-2021-24842
• CVE-2021-24839
• CVE-2021-24843
• CVE-2021-24838
• CVE-2021-24844