Description
jquery prior to 1.9.0 allows Cross-site Scripting attacks via the load method. The load method fails to recognize and remove "<script>" HTML tags that contain a whitespace character, i.e: "</script >", which results in the enclosed script logic to be executed.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | jquery | All versions prior to version 1.9.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | jquery | No fix yet | — |
| Ubuntu Pro 14.04 LTS | jquery | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | pcs +1 | 0.10.10-4.el8 | RHSA-2021:4142 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Amq Interconnect 1 | qpid-dispatch +4 | 1.13.0-3.el6_10 | RHSA-2020:4211 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | pcs +1 | 0.10.10-4.el8.alma | ALSA-2021:4142 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | pcs | 0.10.10-4.el8 | RLSA-2021:4142 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | pcs +1 | 0.10.10-4.0.1.el8 | ELSA-2021-9552 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- jQuery 3.3.1 - Prototype Pollution & XSS Exploit EDB-52141 · webapps · Apr 8, 2025
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.webjars.npm:jquery | >= 1.2.1, < 1.9.0 | 1.9.0 | GHSA-q4m3-2j7h-f7xw |
| npm | jquery | >= 1.2.1, < 1.9.0 | 1.9.0 | GHSA-q4m3-2j7h-f7xw |
| NuGet | jQuery | >= 1.2.1, < 1.9.0 | 1.9.0 | GHSA-q4m3-2j7h-f7xw |
| RubyGems | jquery-rails | < 2.2.0 | 2.2.0 | GHSA-q4m3-2j7h-f7xw |
Advisories 9
- ALSA-2021:4142 Low: pcs security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:4142 Red Hat Security Advisory: pcs security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2020:4211 Red Hat Security Advisory: Red Hat AMQ Interconnect 1.9.0 release and security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- WID-SEC-2023-0558 jQuery: Schwachstelle ermöglicht Cross-Site Scripting BSI CERT-Bund (WID) · Oct 4, 2026
- WID-SEC-2026-1752 IBM Business Automation Workflow: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 31, 2026
- RLSA-2021:4142 Low: pcs security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- VDE-2021-027 Pepperl+Fuchs: WirelessHART-Gateway - Vulnerability may allow remote attackers to cause a Denial Of Service CERT@VDE · May 14, 2025
- ICSA-22-097-01 Pepperl+Fuchs WirelessHART-Gateway CISA ICS & IT advisories · Apr 7, 2022
- ELSA-2021-9552 Low: pcs security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 19, 2021
References
- https://security.netapp.com/advisory/ntap-20200528-0001/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://snyk.io/vuln/SNYK-JS-JQUERY-569619
- https://supportportal.juniper.net/s/article/2021-07-Security-Bulletin-Junos-OS-Multiple-J-Web-vulnerabilities-resolved-in-Junos-OS-21-2R1?language=en_US