6.8

CVE-2021-4103: b3log vditor Cross-site Scripting

CVSS: 6.8v3.0MediumModified
AliasesGHSA-cxm3-v4mv-6mh8
Published 23-01-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-4103 is a medium (CVSS 6.8) Cross-site Scripting vulnerability in b3log vditor. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.0 (CVE.org)
EPSS score
0.66%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 23-01-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

0.66%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

0.00 pp

From 0.66% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (huntr.dev)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

B3log1 product
Npm1 product
  • vditor< 3.8.11
Vanessa2191 product

3 vendors · 3 products

References

5 links