CVE-2021-24988 WP RSS Aggregator < 4.19.3 - Subscriber+ Stored Cross-Site Scripting
Authenticated subscribers can inject malicious scripts via the addon parameter in the System Info dashboard due to missing sanitization and authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24988?
CVE-2021-24988 is a medium-severity cross-site scripting vulnerability in Unknown WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More, published on 27 Dec 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.
Which versions are affected by CVE-2021-24988?
It affects 1 product.
Products include Wprssaggregator Wp Rss Aggregator.
How do I fix CVE-2021-24988?
No fix has been published for CVE-2021-24988 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-24988 being exploited?
There is no known exploitation of CVE-2021-24988 in the wild and no public exploit code.
Other vulnerabilities in Unknown WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More
- CVE-2022-0189 WP RSS Aggregator < 4.20 - Reflected Cross-Site Scripting (XSS)
- CVE-2021-24768 WP RSS Aggregator < 4.19.2 - Admin+ Stored Cross-Site Scripting
- CVE-2024-0630 WP RSS Aggregator <= 4.23.4 - Authenticated (Admin+) Stored Cross-Site Scripting via RSS Feed Source
- CVE-2024-0628 Server-side request forgery in WP RSS Aggregator – RSS Import, News Feeds, Feed to Post, and Autoblogging
Sources
Also known as GHSA-gp23-wr4g-cj6r.