XSS in Nicdark Cost Calculator
CVE-2021-24821
The Cost Calculator WordPress plugin before 1.6 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the Description fields of a Cost Calculator > Price Settings (which gets injected on the edit page as well as any page that embeds the calculator using the shortcode), as well as the Text Preview field of a Project (injected on the edit project page)
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Nicdark Cost Calculator
- Cost Calculator — versions 1.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/f0915b66-0b99-4aeb-9fba-759cafaeb0cb (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24821?
- CVE-2021-24821 is a medium-severity vulnerability in Nicdark Cost Calculator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-03-07.
- How severe is CVE-2021-24821?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-24821 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.