CVE-2022-21662: debian debian_linux Cross-site Scripting
Vulnerability summary
CVE-2022-21662 is a high (CVSS 8.0) Cross-site Scripting vulnerability in debian debian_linux. EPSS estimates a 64.53% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 06-01-2022PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. Low-privileged authenticated users (like author) in WordPress core are able to execute JavaScript/perform stored XSS attack, which can affect high-privileged users. This has been patched in WordPress version 5.8.3. Older affected versions are also fixed via security release, that go back till 3.7.37. We strongly recommend that you keep auto-updates enabled. There are no known workarounds for this issue.
CVSS metrics
6 scores · 5 sources · 2 versions- 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
- wordfenceSource8.0HighCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
64.53%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 64.53% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wordpress3 products
- wordpress≥ 3.7, < 3.7.37 | ≥ 3.8, < 3.8.37 (fixed in 3.7.37) | ≥ 3.9, < 3.9.35 (fixed in 3.7.37) | ≥ 4.0, < 4.0.34 (fixed in 3.7.37) | ≥ 4.1, < 4.1.34 (fixed in 3.7.37) | ≥ 4.2, < 4.2.31 (fixed in 3.7.37) | ≥ 4.3, < 4.3.27 (fixed in 3.7.37) | ≥ 4.4, < 4.4.26 (fixed in 3.7.37) | ≥ 4.5, < 4.5.25 (fixed in 3.7.37) | ≥ 4.6, < 4.6.22 (fixed in 3.7.37) | ≥ 4.7, < 4.7.22 (fixed in 3.7.37) | ≥ 4.8, < 4.8.18 (fixed in 3.7.37) | ≥ 4.9, < 4.9.19 (fixed in 3.7.37) | ≥ 5.0, < 5.0.15 (fixed in 3.7.37) | ≥ 5.1, < 5.1.12 (fixed in 3.7.37) | ≥ 5.2, < 5.2.14 (fixed in 3.7.37) | ≥ 5.3, < 5.3.11 (fixed in 3.7.37) | ≥ 5.4, < 5.4.9 (fixed in 3.7.37) | ≥ 5.5, < 5.5.8 (fixed in 3.7.37) | ≥ 5.6, < 5.6.7 (fixed in 3.7.37) | ≥ 5.7, < 5.7.5 (fixed in 3.7.37) | ≥ 5.8, < 5.8.3 (fixed in 3.7.37)
- wordpress< 5.8.3
- wordpress-develop< 5.8.3
Debian2 products
- wordpress< 5.8.3+dfsg1-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Ubuntu1 product
- wordpressAll versions (No fix recorded)
3 vendors · 6 products
References
11 links- wordpress.org/news/2022/01/wordpress-5-8-3-security-release/X Refsource MISCREPORTRelease NotesVendor Advisory
- github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889wX Refsource CONFIRMREPORTThird Party Advisory
- lists.debian.org/debian-lts-announce/2022/01/msg00019.htmlMailing ListX Refsource MLISTThird Party Advisory