CVE-2019-16781: debian debian_linux Cross-site Scripting
CVSS: 5.8v3.1MediumModified
AliasesUBUNTU-CVE-2019-16781DEBIAN-CVE-2019-16781
Published 26-12-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-16781 is a medium (CVSS 5.8) Cross-site Scripting vulnerability in debian debian_linux. EPSS estimates a 1.61% chance of exploitation in the next 30 days, higher than 75.6% of scored vulnerabilities.
CVSS score
5.8/10
010
Medium · v3.1 (CVE.org)EPSS score
1.61%
0%100%
Low · +0.22 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 26-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.
CVSS metrics
6 scores · 5 sources · 2 versionsMedium 5.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:NSources5 sources · 5.4–5.8
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- 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
- wordfenceSource5.8MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.61%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
+0.22 pp
From 1.40% on 20-09-2026
20-09-202620-10-2026
EPSS score1.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- wordpress< 5.3.2+dfsg1-1
- debian_linuxEOL9.0 | 10.0
Wordpress2 products
- wordpress< 3.7 (fixed in 3.7.32) | ≥ 3.7, ≤ 3.7.31 (fixed in 3.7.32) | ≥ 3.8, ≤ 3.8.31 (fixed in 3.7.32) | ≥ 3.9, ≤ 3.9.29 (fixed in 3.7.32) | ≥ 4.0, ≤ 4.0.28 (fixed in 3.7.32) | ≥ 4.1, ≤ 4.1.28 (fixed in 3.7.32) | ≥ 4.2, ≤ 4.2.25 (fixed in 3.7.32) | ≥ 4.3, ≤ 4.3.21 (fixed in 3.7.32) | ≥ 4.4, ≤ 4.4.20 (fixed in 3.7.32) | ≥ 4.5, ≤ 4.5.19 (fixed in 3.7.32) | ≥ 4.6, ≤ 4.6.16 (fixed in 3.7.32) | ≥ 4.7, ≤ 4.7.15 (fixed in 3.7.32) | ≥ 4.8, ≤ 4.8.11 (fixed in 3.7.32) | ≥ 4.9, ≤ 4.9.12 (fixed in 3.7.32) | ≥ 5.0, ≤ 5.0.7 (fixed in 3.7.32) | ≥ 5.1, ≤ 5.1.3 (fixed in 3.7.32) | ≥ 5.2, ≤ 5.2.4 (fixed in 3.7.32)
- wordpress≥ < 5.3.1, < 5.3.1 | < 5.3.1
Ubuntu1 product
- wordpressAll versions (No fix recorded)
3 vendors · 5 products
References
11 links- wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/X Refsource MISCRelease NotesThird Party AdvisoryREPORT
- github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9vX Refsource CONFIRMThird Party AdvisoryREPORT
