CVE-2023-0096 json
Happyforms < 1.22.0 - Contributor+ Stored XSS
published 2023-02-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12195
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
The Happyforms WordPress plugin before 1.22.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Patch / fix
- Unknown Form builder to get in touch with visitors, grow your email list and collect payments — Happyforms 1.22.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/b28150e7-214b-4bcd-85c0-e819c4223484 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Unknown Form builder to get in touch with visitors, grow your email list and collect payments — Happyforms
Classification
- Technology feeds
References
-
wpscan.com
/vulnerability/b28150e7-214b-4bcd-85c0-e819c4223484
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-0096
- NVD CVE-2023-0096
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.