CVE-2021-24988: unknown wp rss aggregator – news feeds, autoblogging, youtube video feeds and more Cross-Site Request Forgery (CSRF)
Vulnerability summary
CVE-2021-24988 is a medium (CVSS 5.4) Cross-Site Request Forgery (CSRF) vulnerability in unknown wp rss aggregator – news feeds, autoblogging, youtube video feeds and more. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 27-12-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
+0.01 pp
From 0.29% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-352Cross-Site Request Forgery (CSRF)The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected systems
Unknown1 product
Wordpress1 product
- wp-rss-aggregator< 4.19.3
Wprssaggregator1 product
- wp_rss_aggregator< 4.19.3
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/0742483b-6314-451b-a63a-536fd1e14845X Refsource MISCExploitThird Party Advisory