CVE-2022-28353 json
In the External Redirect Warning Plugin 1.3 for MyBB, the redirect URL (aka external.php?url=) is vulnerable to XSS.
published 2023-04-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-32803
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
In the External Redirect Warning Plugin 1.3 for MyBB, the redirect URL (aka external.php?url=) is vulnerable to XSS.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- packetstormsecurity.com http://packetstormsecurity.com/files/171403/MyBB-External-Redirect-Warning-1.3-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
packetstormsecurity.com
/files/171403/MyBB-External-Redirect-Warning-1.3-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
-
community.mybb.com
/mods.php?action=view&pid=493
vendor-advisory
Sources
- CVE List CVE-2022-28353
- NVD CVE-2022-28353
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.