XSS in Helpful Project
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
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (53.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.000
Affected products
- Helpful Project
- Helpful — versions 4.4.59
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/55d11acf-8c47-40da-be47-24f74fd7566e (Exploit, Third Party Advisory)
- mikadmin.fr/tech/XSS-Stored-Helpful-5b10bc7f40ab319f9797eb4abad4f420660.pdf (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24841?
- CVE-2021-24841 is a medium-severity vulnerability in Helpful Project, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-11-17.
- How severe is CVE-2021-24841?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-24841 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.