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.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.87%
0%100%
Low · +0.08 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 13-10-2023PublishedVulnerability first disclosed.
- 28-04-2026Last 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 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:LSources5 sources · 5.4–6.5
- OSV · UbuntuEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- OSV · DebianEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NDiffers
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 score0.87%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (patchstack.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected 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
- gutenberg≥ n/a, ≤ 16.8.0
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- patchstack.com/articles/wordpress-core-6-3-2-security-update-technical-advisory?_s_id=cveThird Party AdvisoryREPORTExploit