CVE-2021-4309 json
01-Scripts 01ACP cross site scripting
published 2023-01-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-34139
- cvss
- 3.5
- 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 47%
- public exploits
- 0
- none known
Summary
A vulnerability, which was classified as problematic, has been found in 01-Scripts 01ACP. This issue affects some unknown processing. The manipulation of the argument $_SERVER['SCRIPT_NAME'] leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is a16eb7da46ed22bc61067c212635394f2571d3c4. It is recommended to apply a patch to fix this issue. The identifier VDB-217649 was assigned to this vulnerability.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 19 mo ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |
| CNA | 3.0 | 3.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |
| CNA | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/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 |
Affected products
- 01-Scripts 01ACP
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/01-Scripts/01ACP/commit/a16eb7da46ed22bc61067c212635394f2571d3c4
patch
-
vuldb.com
/?id.217649
vdb-entry, technical-description, third-party-advisory
-
vuldb.com
/?ctiid.217649
signature, permissions-required, third-party-advisory
Sources
- CVE List CVE-2021-4309
- NVD CVE-2021-4309
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.