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Exploited vulnerability · CISA KEV

Is CVE-2019-9978 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · WordPress Social Warfare Plugin · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-9978, WordPress Social Warfare Plugin Cross-Site Scripting (XSS) Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 955 days after it was published. It affects WordPress Social Warfare Plugin. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity6.1CVSS 3.1 · medium
US federal due3 May 2022BOD 22-01 deadline

What it is

WordPress Social Warfare plugin contains a cross-site scripting (XSS) vulnerability that allows for remote code execution. This vulnerability affects Social Warfare and Social Warfare Pro.

VendorWordPress (7 exploited CVEs in KEV)
ProductSocial Warfare Plugin
VulnerabilityWordPress Social Warfare Plugin Cross-Site Scripting (XSS) Vulnerability
WeaknessCWE-79
Published24 Mar 2019
Added to KEV3 Nov 2021
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Social Warfare Plugin in your asset inventory, including appliances and cloud images. Stack check lists every exploited WordPress CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 24 Mar 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for WordPress.

References

Questions

Is CVE-2019-9978 being exploited?

Yes. CISA added CVE-2019-9978 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-9978 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2019-9978?

Apply updates per vendor instructions. Check WordPress's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Social Warfare Plugin and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2021 · WordPress scorecard · act-now radar.

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