CVE-2021-24538 json
Current Book <= 1.0.1 - Authenticated Stored Cross-Site Scripting (XSS)
published 2021-08-16 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11450
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
The Current Book WordPress plugin through 1.0.1 does not sanitize user input when an authenticated user adds Author or Book Title, then does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/f9911a43-0f4c-403f-9fca-7822eb693317 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Unknown Current Book
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/f9911a43-0f4c-403f-9fca-7822eb693317
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24538
- NVD CVE-2021-24538
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.