XSS in Holithemes Click To Chat
CVE-2022-4480
The Click to Chat WordPress plugin before 3.18.1 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.
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: 0.005 (43.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Holithemes Click To Chat
- Click To Chat — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/1666f91d-3aa2-487d-a31b-44d051ab0124 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2022-4480?
- CVE-2022-4480 is a medium-severity vulnerability in Holithemes Click To Chat, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-01-16.
- How severe is CVE-2022-4480?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2022-4480 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.