CVE-2021-24812: unknown betterlinks – shorten, track and manage any url Cross-site Scripting
CVSS: 5.4v3.1MediumModified
Published 23-11-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24812 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in unknown betterlinks – shorten, track and manage any url. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.4/10
010
Medium · v3.1 (NVD)EPSS score
0.62%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 23-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The BetterLinks WordPress plugin before 1.2.6 does not sanitise and escape some of imported link fields, which could lead to Stored Cross-Site Scripting issues when an admin import a malicious CSV.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- wordfenceSource5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.62%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.62% on 19-09-2026
19-09-202619-10-2026
EPSS score0.62%
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
- betterlinks – shorten, track and manage any url≥ 1.2.6, < 1.2.6
Wordpress1 product
- betterlinks< 1.2.6
Wpdeveloper1 product
- betterlinks< 1.2.6
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/6bc8fff1-ff10-4175-8a46-563f0f26f96aX Refsource MISCExploitThird Party Advisory