WordPress If-So Dynamic Content Personalization plugin <= 1.10.3 - Cross Site Scripting (XSS) vulnerability
- Exploited
- No known exploitation
- Fix
- Fixed in 1.10.4
- Who is exposed
- Specific setups only
Do first: Upgrade to a fixed version: 1.10.4.
- 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? →
- 19/100 · 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 If-So Dynamic Content Personalization plugin for WordPress has a cross-site scripting flaw that lets an attacker inject script into pages the plugin generates. It can be reached remotely without logging in, but a victim has to take an action, such as opening a crafted link, before the attack works.
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 If-So Dynamic Content If-So Dynamic Content Personalization if-so allows Reflected XSS.This issue affects If-So Dynamic Content Personalization: from n/a through 1.10.3.
cve.now Index
- Exploitation0/40No signal
- Exposure12/25Specific setups only, reachable over the network without a login
- Reach?/20Unknown. No tracked technology or package matched
- Severity7.1/10CVSS 7.1
- No patch0/5No signal
What would change the score
- Would score about 69 if added to CISA KEV
- Would score about 64 if CISA's SSVC rates exploitation active
What to do
Upgrade to a fixed version: 1.10.4.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- if-so
through 1.10.3
Evidence 1
- Link
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-121782
Is CVE-2026-121782 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 does not properly neutralize user-supplied input, so an attacker can inject malicious scripts that run in visitors' browsers. Per the impact statement, these scripts can steal visitor data or hijack accounts.Source: patchstack.com, cve.org
Which versions are affected by CVE-2026-121782?
if-so: through 1.10.3.Source: cve.now feed data
Am I affected, and how do I check?
All versions of the If-So Dynamic Content Personalization plugin up to and including 1.10.3 are in the affected range. To check, look at the plugin version shown on the WordPress Plugins page or in the plugin's header in the admin area.Source: patchstack.com, cve.org
How do I fix CVE-2026-121782?
Update the If-So Dynamic Content Personalization plugin to version 1.10.4 or later, which contains the fix.Source: patchstack.com, cve.org