6.5

CVE-2023-38000: gutenberg team gutenberg Cross-site Scripting

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-38000DEBIAN-CVE-2023-38000
Published 13-10-2023Last modified 28-04-2026

Vulnerability summary

CVE-2023-38000 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in gutenberg team gutenberg. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.1% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 16.8.1.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.87%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 13-10-2023
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Auth. Stored (contributor+) Cross-Site Scripting (XSS) vulnerability in WordPress core 6.3 through 6.3.1, from 6.2 through 6.2.2, from 6.1 through 6.1.3, from 6.0 through 6.0.5, from 5.9 through 5.9.7 and Gutenberg plugin <= 16.8.0 versions.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

+0.08 pp

From 0.79% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (patchstack.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Wordpress4 products
  • wordpress≥ 5.9, ≤ 5.9.7 (fixed in 5.9.8) | ≥ 6.0, ≤ 6.0.5 (fixed in 5.9.8) | ≥ 6.1, ≤ 6.1.3 (fixed in 5.9.8) | ≥ 6.2, ≤ 6.2.2 (fixed in 5.9.8) | ≥ 6.3, ≤ 6.3.1 (fixed in 5.9.8)
  • gutenberg≤ 16.8.0
  • gutenberg≤ 16.8.0 (fixed in 16.8.1)
  • wordpress≥ 5.9, ≤ 5.9.7 | ≥ 6.0, ≤ 6.0.5 | ≥ 6.1, ≤ 6.1.3 | ≥ 6.2, ≤ 6.2.2 | ≥ 6.3, ≤ 6.3.1
Debian1 product
  • wordpress< 6.1.6+dfsg1-0+deb12u1 | < 6.3.2+dfsg1-1
Gutenberg team1 product
Ubuntu1 product
  • wordpressAll versions (No fix recorded)
Wordpress.org1 product
  • wordpress≥ 6.3, ≤ 6.3.1 | ≥ 6.2, ≤ 6.2.2 | ≥ 6.1, ≤ 6.1.3 | ≥ 6.0, ≤ 6.0.5 | ≥ 5.9, ≤ 5.9.7

5 vendors · 8 products

References

8 links