CVE-2021-30134 json
php-mod/curl allows Cross-site Scripting
published 2022-12-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-7617 , GHSA-f8p3-q834-q9cj
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
php-mod/curl (a wrapper of the PHP cURL extension) before 2.3.2 allows XSS via the post_file_path_upload.php key parameter and the POST data to post_multidimensional.php.
Patch / fix
- packagist php-mod/curl 2.3.2
- php_curl_class_project php_curl_class 2.3.2
- ht_slider_range_for_amazon_affiliates_project ht_slider_range_for_amazon_affiliates 1.1.6
- teamleade teamleader_crm_forms 2.1.0
- ptwooplugins invoicing_with_invoicexpress_for_woocommerce 3.0.3
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Php-mod/curl Library <2.3.2 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/0b547728-27d2-402e-ae17-90d539344ec7 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 |
| GitHub | 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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | php-mod/curl | <2.3.2 |
2.3.2 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
github.com
/php-mod/curl/commit/0bddefe8bbd292065f23dd6e24d2c745c4865cf7
web
-
wpscan.com
/vulnerability/0b547728-27d2-402e-ae17-90d539344ec7
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-30134
advisory
-
github.com
/php-mod/curl
package
Sources
- CVE List CVE-2021-30134
- GitHub Advisory GHSA-f8p3-q834-q9cj
- NVD CVE-2021-30134
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.