6.4

CVE-2023-0559: gsplugins gs_portfolio_for_envato Cross-site Scripting

CVSS: 6.4v3.1MediumModified
Published 21-02-2023Last modified 14-03-2025
Open JSON

Vulnerability summary

CVE-2023-0559 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in gsplugins gs_portfolio_for_envato. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v3.1 (wordfence)
EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 21-02-2023
    PublishedVulnerability first disclosed.
  2. 14-03-2025
    Last modifiedVulnerability information updated.

Description

The GS Portfolio for Envato WordPress plugin before 1.4.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embedded, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

0.00 pp

From 0.46% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Gsplugins1 product
Unknown1 product
Wordpress1 product
  • gs-envato-portfolio≤ 1.3.8 (fixed in 1.4.0)

3 vendors · 3 products

References

2 links