Known exploited vulnerability
CVE-2019-9978
The short answer
CVE-2019-9978 affects n/a n/a and is rated medium (CVSS 6.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first.
What it is
The social-warfare plugin before 3.5.3 for WordPress has stored XSS via the wp-admin/admin-post.php?swp_debug=load_options swp_url parameter, as exploited in the wild in March 2019. This affects Social Warfare and Social Warfare Pro.
Weakness: CWE-79.
Severity
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
73%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- blog.sucuri.net/2019/03/zero-day-stored-xss-in-social-warfare.html ExploitThird Party Advisory
- twitter.com/warfareplugins/status/1108852747099652099 Third Party Advisory
- wordpress.org/plugins/social-warfare/#developers Product
- wpvulndb.com/vulnerabilities/9238 Broken LinkThird Party Advisory
- www.cybersecurity-help.cz/vdb/SB2019032105 ExploitThird Party Advisory
- www.exploit-db.com/exploits/46794/ Third Party AdvisoryVDB Entry
- www.pluginvulnerabilities.com/2019/03/21/full-disclosure-of-settings-change-persistent-cross-site-scripting-xss-vulnerability-in-social-warfare/ ExploitThird Party Advisory
- www.wordfence.com/blog/2019/03/unpatched-zero-day-vulnerability-in-social-warfare-plugin-exploited-in-the-wild/ Third Party Advisory
- blog.sucuri.net/2019/03/zero-day-stored-xss-in-social-warfare.html ExploitThird Party Advisory
- twitter.com/warfareplugins/status/1108852747099652099 Third Party Advisory
- wordpress.org/plugins/social-warfare/#developers Product
- wpvulndb.com/vulnerabilities/9238 Broken LinkThird Party Advisory
Questions
Is CVE-2019-9978 being exploited?
Yes. CISA added CVE-2019-9978 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03.
How do I fix CVE-2019-9978?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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