CVE-2022-4481: extendthemes mesmerize_companion Cross-site Scripting
Vulnerability summary
CVE-2022-4481 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in extendthemes mesmerize_companion. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 16-01-2023PublishedVulnerability first disclosed.
- 07-04-2025Last modifiedVulnerability information updated.
Description
The Mesmerize Companion WordPress plugin before 1.6.135 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
0.57%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
0.00 pp
From 0.57% 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
- mesmerize_companion< 1.6.135
Unknown1 product
- mesmerize companion< 1.6.135
Wordpress1 product
- mesmerize-companion≤ 1.6.133 (fixed in 1.6.135)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/9dc9d377-635d-4d4f-9916-33bcedbba6f0ExploitVDB EntryTechnical DescriptionThird Party Advisory