WordPress WordPress File Upload plugin <= 5.2.2 - Cross Site Scripting (XSS) vulnerability
- Exploited
- No known exploitation
- Fix
- Fixed in 5.2.3
- Who is exposed
- Specific setups only
Do first: Upgrade to a fixed version: 5.2.3.
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 36/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Specific setups only
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
The WordPress File Upload plugin (wp-file-upload) contains a stored cross-site scripting flaw that lets an attacker inject malicious scripts into pages. An attacker can reach it remotely, without logging in, but a user must take an action, such as opening a crafted page, for it to trigger.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nickboss WordPress File Upload wp-file-upload allows Stored XSS.This issue affects WordPress File Upload: from n/a through 5.2.2.
cve.now Index
- Exploitation0/40No signal
- Exposure12/25Specific setups only, reachable over the network without a login
- Reach17/20Affects WordPress (a widely deployed server, runtime, framework or database)
- Severity7.1/10CVSS 7.1
- No patch0/5No signal
What would change the score
- Would score about 86 if added to CISA KEV
- Would score about 81 if CISA's SSVC rates exploitation active
What to do
Upgrade to a fixed version: 5.2.3.
Timeline
- CVE published
- First seen by cve.now
- Posted on X by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- wp-file-upload
through 5.2.2
Evidence 1
- Link
Corrections
None so far.
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Questions about CVE-2026-123460
Is CVE-2026-123460 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
What does this mean?
The plugin has a cross-site scripting flaw that lets attackers inject malicious scripts into the site. Those scripts can steal visitor data or hijack visitor accounts.Source: patchstack.com
Which versions are affected by CVE-2026-123460?
wp-file-upload: through 5.2.2.Source: cve.now feed data
Am I affected, and how do I check?
All versions of the WordPress File Upload plugin by Nickboss up to and including 5.2.2 are listed as affected, and no specific setup conditions are given. To check a site, look at the installed plugin version on the WordPress Plugins page.Source: patchstack.com
How do I fix CVE-2026-123460?
Update the WordPress File Upload plugin to version 5.2.3 or later, which the vendor states resolves the vulnerability.Source: patchstack.com