CVE-2024-3822 json
Base64 Encoder/Decoder <= 0.9.2 - Reflected XSS
published 2024-05-15 2 y ago modified 2026-07-29 3 mo ago also EUVD-2024-32393
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The Base64 Encoder/Decoder WordPress plugin through 0.9.2 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.75% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Base64 Encoder/Decoder <= 0.9.2 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/ff5411b1-9e04-4e72-a502-e431d774642a/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Unknown Base64 Encoder/Decoder
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/ff5411b1-9e04-4e72-a502-e431d774642a/
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2024-3822
- NVD CVE-2024-3822
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.