CVE-2021-25091: unknown link library Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 01-02-2022Last modified 03-08-2024
Vulnerability summary
CVE-2021-25091 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in unknown link library. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 55.7% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 7.2.9.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.80%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 01-02-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The Link Library WordPress plugin before 7.2.9 does not sanitise and escape the settingscopy parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.80% on 18-09-2026
18-09-202618-10-2026
EPSS score0.80%
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≥ 7.2.9, < 7.2.9
Wordpress1 product
- link-library≤ 7.2.8 (fixed in 7.2.9)
Ylefebvre1 product
- link_library< 7.2.9
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/96204946-0b10-4a2c-8079-473883ff95b6X Refsource MISCExploitThird Party Advisory