CVE-2026-78393: unknown link library Cross-site Scripting
Vulnerability summary
CVE-2026-78393 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in unknown link library. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.6% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 7.9.6.
Timeline
- 25-09-2026PublishedVulnerability first disclosed.
- 25-09-2026Last modifiedVulnerability information updated.
Description
The Link Library WordPress plugin before 7.9.6 does not properly escape some parameters before outputting them in the addresses of links it generates on its front-end directory pages, leading to Reflected Cross-Site Scripting which could be used against any visitor, including logged-in administrators.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
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< 7.9.6
Wordpress1 product
- link-library≤ 7.9.5 (fixed in 7.9.6)
2 vendors · 2 products