WordPress RSVP and Event Management plugin <= 2.7.17 - Cross Site Scripting (XSS) vulnerability
- Exploited
- No known exploitation
- Fix
- Fixed in 2.7.18
- Who is exposed
- Specific setups only
Do first: Upgrade to a fixed version: 2.7.18.
- 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 RSVP and Event Management plugin for WordPress has a stored cross-site scripting flaw that lets an attacker inject malicious scripts into web pages that other users then load. An attacker can reach it remotely without logging in, but the attack requires a user to take some action first.
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 WP Chill RSVP and Event Management rsvp allows Stored XSS.This issue affects RSVP and Event Management: from n/a through 2.7.17.
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: 2.7.18.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- rsvp
through 2.7.17
Evidence 1
- Link
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-121570
Is CVE-2026-121570 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 fails to clean up input before storing it, so an attacker can save malicious scripts into the site. Those scripts can run in visitors' browsers, where they can steal visitor data or hijack accounts.Source: patchstack.com, cve.org
Which versions are affected by CVE-2026-121570?
rsvp: through 2.7.17.Source: cve.now feed data
Am I affected, and how do I check?
All versions up to and including 2.7.17 of the WP Chill RSVP and Event Management plugin are listed as affected. To check, look at the plugin version shown in the WordPress Plugins screen or the plugin's header information.Source: patchstack.com, cve.org
How do I fix CVE-2026-121570?
Update the RSVP and Event Management plugin to version 2.7.18 or later, which contains the fix.Source: patchstack.com, cve.org