CVE-2022-4762: extendthemes materialis_companion Cross-site Scripting
Vulnerability summary
CVE-2022-4762 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in extendthemes materialis_companion. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 48.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 06-02-2023PublishedVulnerability first disclosed.
- 25-03-2025Last modifiedVulnerability information updated.
Description
The Materialis Companion WordPress plugin before 1.3.40 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.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.60% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Extendthemes1 product
- materialis_companion< 1.3.40
Unknown1 product
- materialis companion< 1.3.40
Wordpress1 product
- materialis-companion≤ 1.3.39 (fixed in 1.3.40)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/4500566a-e5f2-40b8-a185-2bcace221b4eExploitVDB EntryTechnical DescriptionThird Party Advisory