CVE-2022-4199: unknown link library Cross-site Scripting
Vulnerability summary
CVE-2022-4199 is a medium (CVSS 5.5) Cross-site Scripting vulnerability in unknown link library. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.2% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 7.4.1.
Timeline
- 16-01-2023PublishedVulnerability first disclosed.
- 04-04-2025Last modifiedVulnerability information updated.
Description
The Link Library WordPress plugin before 7.4.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
0.00 pp
From 0.47% on 18-09-2026
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
Unknown1 product
- link library< 7.4.1
Wordpress1 product
- link-library≤ 7.4 (fixed in 7.4.1)
Ylefebvre1 product
- link_library< 7.4.1
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/c4688c0b-0538-4151-995c-d437d7e4829dExploitVDB EntryTechnical DescriptionThird Party Advisory