CVE-2021-24577: unknown coming soon and maintenance mode Cross-site Scripting
CVSS: 6.4v3.1MediumModified
Published 11-10-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24577 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in unknown coming soon and maintenance mode. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.9% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.5.3.
CVSS score
6.4/10
010
Medium · v3.1 (wordfence)EPSS score
0.62%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 11-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The Coming soon and Maintenance mode WordPress plugin before 3.5.3 does not properly sanitize inputs submitted by authenticated users when setting adding or modifying coming soon or maintenance mode pages, leading to stored XSS.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.4Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NSources2 sources · 5.4–6.4
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.62%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.62% on 21-09-2026
21-09-202621-10-2026
EPSS score0.62%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- coming soon and maintenance mode≥ 3.5.3, < 3.5.3
Wordpress1 product
- coming-soon-page< 3.5.3
Wpdevart1 product
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/d453b547-41a8-4a6b-8349-8686b7054805X Refsource MISCExploitThird Party Advisory